diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 512cb692a24..e4d3b8fdcd2 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -6,7 +6,7 @@
  */
 class WC_Unit_Tests_Bootstrap {
 
-	/** @var \WC_Unit_Tests_Bootstrap instance */
+	/** @var WC_Unit_Tests_Bootstrap instance */
 	protected static $instance = null;
 
 	/** @var string directory where wordpress-tests-lib is installed */
diff --git a/tests/framework/class-wc-payment-token-stub.php b/tests/framework/class-wc-payment-token-stub.php
index 0d21c80eba3..4fd312e4be3 100644
--- a/tests/framework/class-wc-payment-token-stub.php
+++ b/tests/framework/class-wc-payment-token-stub.php
@@ -4,7 +4,7 @@
  *
  * @since 2.6.0
  */
-class WC_Payment_Token_Stub extends \WC_Payment_Token {
+class WC_Payment_Token_Stub extends WC_Payment_Token {
 
 	/** @protected string Token Type String */
 	protected $type = 'stub';
diff --git a/tests/framework/class-wc-unit-test-case.php b/tests/framework/class-wc-unit-test-case.php
index beb0031c876..839038d0365 100644
--- a/tests/framework/class-wc-unit-test-case.php
+++ b/tests/framework/class-wc-unit-test-case.php
@@ -9,7 +9,7 @@
  */
 class WC_Unit_Test_Case extends WP_UnitTestCase {
 
-	/** @var \WC_Unit_Test_Factory instance */
+	/** @var WC_Unit_Test_Factory instance */
 	protected $factory;
 
 	/**
diff --git a/tests/framework/class-wc-unit-test-factory.php b/tests/framework/class-wc-unit-test-factory.php
index d4b72dc45ab..60d42a945ee 100644
--- a/tests/framework/class-wc-unit-test-factory.php
+++ b/tests/framework/class-wc-unit-test-factory.php
@@ -8,10 +8,10 @@
  */
 class WC_Unit_Test_Factory extends WP_UnitTest_Factory {
 
-	/** @var \WC_Unit_Test_Factory_For_Webhook */
+	/** @var WC_Unit_Test_Factory_For_Webhook */
 	public $webhook;
 
-	/** @var \WC_Unit_Test_Factory_For_Webhook_Delivery */
+	/** @var WC_Unit_Test_Factory_For_Webhook_Delivery */
 	public $webhook_delivery;
 
 	/**
diff --git a/tests/framework/factories/class-wc-unit-test-factory-for-webhook.php b/tests/framework/factories/class-wc-unit-test-factory-for-webhook.php
index 56908f6496d..2dd09d562a9 100644
--- a/tests/framework/factories/class-wc-unit-test-factory-for-webhook.php
+++ b/tests/framework/factories/class-wc-unit-test-factory-for-webhook.php
@@ -61,7 +61,7 @@ class WC_Unit_Test_Factory_For_Webhook extends WP_UnitTest_Factory_For_Post {
 	 * @since 2.2
 	 * @see WP_UnitTest_Factory_For_Post::get_object_by_id()
 	 * @param int $id webhook ID
-	 * @return \WC_Webhook webhook instance
+	 * @return WC_Webhook webhook instance
 	 */
 	public function get_object_by_id( $id ) {
 
diff --git a/tests/unit-tests/account/functions.php b/tests/unit-tests/account/functions.php
index ab095e15c99..be81a75824c 100644
--- a/tests/unit-tests/account/functions.php
+++ b/tests/unit-tests/account/functions.php
@@ -1,12 +1,10 @@
 <?php
 
-namespace WooCommerce\Tests\Account;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\Account
  */
-class Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Account_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test wc_get_account_menu_items().
diff --git a/tests/unit-tests/api/orders.php b/tests/unit-tests/api/orders.php
index e46d13ee723..38ae4612f48 100644
--- a/tests/unit-tests/api/orders.php
+++ b/tests/unit-tests/api/orders.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\API;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\API
  * @since 2.4
  */
-class Orders extends \WC_API_Unit_Test_Case {
+class WC_Tests_API_Orders extends WC_API_Unit_Test_Case {
 
 	/**
 	 * Test test_wc_api_order_get_variation_id_returns_correct_id.
@@ -16,7 +14,7 @@ class Orders extends \WC_API_Unit_Test_Case {
 	 */
 	public function test_wc_api_order_get_variation_id_returns_correct_id() {
 		parent::setUp();
-		$product    = \WC_Helper_Product::create_variation_product();
+		$product    = WC_Helper_Product::create_variation_product();
 		$orders_api = WC()->api->WC_API_Orders;
 
 		$variation_id = $orders_api->get_variation_id( $product, array( 'size' => 'small' ) );
diff --git a/tests/unit-tests/api/webhooks.php b/tests/unit-tests/api/webhooks.php
index d1e2ce1620d..6072da4e58b 100644
--- a/tests/unit-tests/api/webhooks.php
+++ b/tests/unit-tests/api/webhooks.php
@@ -1,18 +1,16 @@
 <?php
 
-namespace WooCommerce\Tests\API;
-
 /**
  * Class Webhooks.
  * @package WooCommerce\Tests\API
  * @since 2.2
  */
-class Webhooks extends \WC_API_Unit_Test_Case {
+class WC_Tests_API_Webhooks extends WC_API_Unit_Test_Case {
 
-	/** @var \WC_API_Webhooks instance */
+	/** @var WC_API_Webhooks instance */
 	protected $endpoint;
 
-	/** @var \WC_Webhook instance */
+	/** @var WC_Webhook instance */
 	protected $webhook;
 
 	/** @var int webhook delivery (comment) ID */
@@ -446,7 +444,7 @@ class Webhooks extends \WC_API_Unit_Test_Case {
 		$this->assertNotWPError( $response );
 		$this->assertArrayHasKey( 'webhook', $response );
 
-		$this->check_get_webhook_response( $response['webhook'], new \WC_Webhook( $response['webhook']['id'] ) );
+		$this->check_get_webhook_response( $response['webhook'], new WC_Webhook( $response['webhook']['id'] ) );
 	}
 
 	/**
@@ -460,7 +458,7 @@ class Webhooks extends \WC_API_Unit_Test_Case {
 		$this->assertNotWPError( $response );
 		$this->assertArrayHasKey( 'webhook', $response );
 
-		$this->check_get_webhook_response( $response['webhook'], new \WC_Webhook( $response['webhook']['id'] ) );
+		$this->check_get_webhook_response( $response['webhook'], new WC_Webhook( $response['webhook']['id'] ) );
 	}
 
 	/**
diff --git a/tests/unit-tests/cart/cart.php b/tests/unit-tests/cart/cart.php
index 58894a75668..5f984886662 100644
--- a/tests/unit-tests/cart/cart.php
+++ b/tests/unit-tests/cart/cart.php
@@ -1,12 +1,10 @@
 <?php
 
-namespace WooCommerce\Tests\Cart;
-
 /**
  * Class Cart.
  * @package WooCommerce\Tests\Cart
  */
-class Cart extends \WC_Unit_Test_Case {
+class WC_Tests_Cart extends WC_Unit_Test_Case {
 
 	/**
 	 * Test get_remove_url.
@@ -32,7 +30,7 @@ class Cart extends \WC_Unit_Test_Case {
 	public function test_add_to_cart_simple() {
 
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Add the product to the cart. Methods returns boolean on failure, string on success.
 		$this->assertNotFalse( WC()->cart->add_to_cart( $product->id, 1 ) );
@@ -44,7 +42,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -52,7 +50,7 @@ class Cart extends \WC_Unit_Test_Case {
 	 */
 	public function test_add_to_cart_trashed() {
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Trash product
 		wp_trash_post( $product->id );
@@ -67,7 +65,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -76,7 +74,7 @@ class Cart extends \WC_Unit_Test_Case {
 	 * @since 2.3
 	 */
 	public function test_add_to_cart_variable() {
-		$product    = \WC_Helper_Product::create_variation_product();
+		$product    = WC_Helper_Product::create_variation_product();
 		$variations = $product->get_available_variations();
 		$variation  = array_shift( $variations );
 
@@ -99,7 +97,7 @@ class Cart extends \WC_Unit_Test_Case {
 	 */
 	public function test_add_to_cart_sold_individually() {
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Set sold_individually to yes
 		$product->sold_individually = 'yes';
@@ -115,7 +113,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -126,7 +124,7 @@ class Cart extends \WC_Unit_Test_Case {
 	public function test_find_product_in_cart() {
 
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Add product to cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -141,7 +139,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 
 	}
 
@@ -208,7 +206,7 @@ class Cart extends \WC_Unit_Test_Case {
 	 */
 	public function test_set_quantity() {
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Add 1 product to cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -232,7 +230,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -243,7 +241,7 @@ class Cart extends \WC_Unit_Test_Case {
 	public function test_check_cart_item_validity() {
 
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Add product to cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -255,7 +253,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 
 	}
 
@@ -267,7 +265,7 @@ class Cart extends \WC_Unit_Test_Case {
 	public function test_get_total() {
 
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -284,7 +282,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -298,7 +296,7 @@ class Cart extends \WC_Unit_Test_Case {
 		update_option( 'woocommerce_calc_taxes', 'yes' );
 
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -321,7 +319,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 
 		// Restore option
 		update_option( 'woocommerce_calc_taxes', 'no' );
@@ -347,12 +345,12 @@ class Cart extends \WC_Unit_Test_Case {
 	 */
 	public function test_shipping_total() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 		update_post_meta( $product->id, '_price', '10' );
 		update_post_meta( $product->id, '_regular_price', '10' );
 
 		// Create a flat rate method
-		\WC_Helper_Shipping::create_simple_flat_rate();
+		WC_Helper_Shipping::create_simple_flat_rate();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -377,10 +375,10 @@ class Cart extends \WC_Unit_Test_Case {
 
 		// Delete the flat rate method
 		WC()->session->set( 'chosen_shipping_methods', array() );
-		\WC_Helper_Shipping::delete_simple_flat_rate();
+		WC_Helper_Shipping::delete_simple_flat_rate();
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -390,7 +388,7 @@ class Cart extends \WC_Unit_Test_Case {
 	 */
 	public function test_cart_fee() {
 		// Create product
-		$product =\WC_Helper_Product::create_simple_product();
+		$product =WC_Helper_Product::create_simple_product();
 		update_post_meta( $product->id, '_price', '10' );
 		update_post_meta( $product->id, '_regular_price', '10' );
 
@@ -400,7 +398,7 @@ class Cart extends \WC_Unit_Test_Case {
 		}
 
 		// Add fee
-		\WC_Helper_Fee::add_cart_fee();
+		WC_Helper_Fee::add_cart_fee();
 
 		// Add product to cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -415,10 +413,10 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->empty_cart();
 
 		// Remove fee
-		\WC_Helper_Fee::remove_cart_fee();
+		WC_Helper_Fee::remove_cart_fee();
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -427,7 +425,7 @@ class Cart extends \WC_Unit_Test_Case {
 	public function test_get_coupons() {
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 
 		// Add coupon
 		WC()->cart->add_discount( $coupon->code );
@@ -441,7 +439,7 @@ class Cart extends \WC_Unit_Test_Case {
 		WC()->cart->remove_coupons();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 
 	}
 
diff --git a/tests/unit-tests/cart/functions.php b/tests/unit-tests/cart/functions.php
index f4b8639b7c5..d140835d984 100644
--- a/tests/unit-tests/cart/functions.php
+++ b/tests/unit-tests/cart/functions.php
@@ -1,12 +1,10 @@
 <?php
 
-namespace WooCommerce\Tests\Cart;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\Cart
  */
-class Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Cart_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Helper method to get the checkout URL.
@@ -87,7 +85,7 @@ class Functions extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_empty_cart() {
 		// Create dummy product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		// Add the product to the cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -99,7 +97,7 @@ class Functions extends \WC_Unit_Test_Case {
 		$this->assertEquals( 0, WC()->cart->get_cart_contents_count() );
 
 		// Delete the previously created product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -120,13 +118,13 @@ class Functions extends \WC_Unit_Test_Case {
 	 * @since 2.4
 	 */
 	public function test_wc_cart_totals_subtotal_html() {
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		WC()->cart->add_to_cart( $product->id, 1 );
 
 		$this->expectOutputString( wc_price( $product->price ), wc_cart_totals_subtotal_html() );
 
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -135,11 +133,11 @@ class Functions extends \WC_Unit_Test_Case {
 	 * @since 2.4
 	 */
 	public function test_wc_cart_totals_coupon_label() {
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 
 		$this->expectOutputString( apply_filters( 'woocommerce_cart_totals_coupon_label', 'Coupon: ' . $coupon->code ), wc_cart_totals_coupon_label( $coupon ) );
 
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 	}
 
 	/**
diff --git a/tests/unit-tests/coupon/coupon.php b/tests/unit-tests/coupon/coupon.php
index 0f121085773..e2dd3205933 100644
--- a/tests/unit-tests/coupon/coupon.php
+++ b/tests/unit-tests/coupon/coupon.php
@@ -1,12 +1,10 @@
 <?php
 
-namespace WooCommerce\Tests\Coupon;
-
 /**
  * Class Coupon.
  * @package WooCommerce\Tests\Coupon
  */
-class Coupon extends \WC_Unit_Test_Case {
+class WC_Tests_Coupon extends WC_Unit_Test_Case {
 
 	/**
 	 * Test add_discount method.
@@ -16,7 +14,7 @@ class Coupon extends \WC_Unit_Test_Case {
 	public function test_add_discount() {
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 
 		// Add coupon, test return statement
 		$this->assertTrue( WC()->cart->add_discount( $coupon->code ) );
@@ -31,7 +29,7 @@ class Coupon extends \WC_Unit_Test_Case {
 		WC()->cart->remove_coupons();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 	}
 
 	/**
@@ -42,7 +40,7 @@ class Coupon extends \WC_Unit_Test_Case {
 	public function test_add_discount_duplicate() {
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 
 		// Add coupon
 		$this->assertTrue( WC()->cart->add_discount( $coupon->code ) );
@@ -63,7 +61,7 @@ class Coupon extends \WC_Unit_Test_Case {
 		WC()->cart->remove_coupons();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 	}
 
 	/**
@@ -74,17 +72,17 @@ class Coupon extends \WC_Unit_Test_Case {
 	public function test_fixed_cart_discount() {
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 		update_post_meta( $product->id, '_price', '10' );
 		update_post_meta( $product->id, '_regular_price', '10' );
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 		update_post_meta( $coupon->id, 'discount_type', 'fixed_cart' );
 		update_post_meta( $coupon->id, 'coupon_amount', '5' );
 
 		// Create a flat rate method
-		\WC_Helper_Shipping::create_simple_flat_rate();
+		WC_Helper_Shipping::create_simple_flat_rate();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -115,13 +113,13 @@ class Coupon extends \WC_Unit_Test_Case {
 
 		// Delete the flat rate method
 		WC()->session->set( 'chosen_shipping_methods', array() );
-		\WC_Helper_Shipping::delete_simple_flat_rate();
+		WC_Helper_Shipping::delete_simple_flat_rate();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -132,17 +130,17 @@ class Coupon extends \WC_Unit_Test_Case {
 	public function test_percent_cart_discount() {
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 		update_post_meta( $product->id, '_price', '10' );
 		update_post_meta( $product->id, '_regular_price', '10' );
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 		update_post_meta( $coupon->id, 'discount_type', 'percent' );
 		update_post_meta( $coupon->id, 'coupon_amount', '5' );
 
 		// Create a flat rate method
-		\WC_Helper_Shipping::create_simple_flat_rate();
+		WC_Helper_Shipping::create_simple_flat_rate();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -173,13 +171,13 @@ class Coupon extends \WC_Unit_Test_Case {
 
 		// Delete the flat rate method
 		WC()->session->set( 'chosen_shipping_methods', array() );
-		\WC_Helper_Shipping::delete_simple_flat_rate();
+		WC_Helper_Shipping::delete_simple_flat_rate();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -190,17 +188,17 @@ class Coupon extends \WC_Unit_Test_Case {
 	public function test_fixed_product_discount() {
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 		update_post_meta( $product->id, '_price', '10' );
 		update_post_meta( $product->id, '_regular_price', '10' );
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 		update_post_meta( $coupon->id, 'discount_type', 'fixed_product' );
 		update_post_meta( $coupon->id, 'coupon_amount', '5' );
 
 		// Create a flat rate method - $10
-		\WC_Helper_Shipping::create_simple_flat_rate();
+		WC_Helper_Shipping::create_simple_flat_rate();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -208,7 +206,7 @@ class Coupon extends \WC_Unit_Test_Case {
 		}
 
 		// Add fee - $10
-		\WC_Helper_Fee::add_cart_fee();
+		WC_Helper_Fee::add_cart_fee();
 
 		// Add product to cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -233,17 +231,17 @@ class Coupon extends \WC_Unit_Test_Case {
 		WC()->cart->remove_coupons();
 
 		// Remove fee
-		\WC_Helper_Fee::remove_cart_fee();
+		WC_Helper_Fee::remove_cart_fee();
 
 		// Delete the flat rate method
 		WC()->session->set( 'chosen_shipping_methods', array() );
-		\WC_Helper_Shipping::delete_simple_flat_rate();
+		WC_Helper_Shipping::delete_simple_flat_rate();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -254,17 +252,17 @@ class Coupon extends \WC_Unit_Test_Case {
 	public function test_percent_product_discount() {
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 		update_post_meta( $product->id, '_price', '10' );
 		update_post_meta( $product->id, '_regular_price', '10' );
 
 		// Create coupon
-		$coupon = \WC_Helper_Coupon::create_coupon();
+		$coupon = WC_Helper_Coupon::create_coupon();
 		update_post_meta( $coupon->id, 'discount_type', 'percent_product' );
 		update_post_meta( $coupon->id, 'coupon_amount', '5' );
 
 		// Create a flat rate method
-		\WC_Helper_Shipping::create_simple_flat_rate();
+		WC_Helper_Shipping::create_simple_flat_rate();
 
 		// We need this to have the calculate_totals() method calculate totals
 		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
@@ -272,7 +270,7 @@ class Coupon extends \WC_Unit_Test_Case {
 		}
 
 		// Add fee
-		\WC_Helper_Fee::add_cart_fee();
+		WC_Helper_Fee::add_cart_fee();
 
 		// Add product to cart
 		WC()->cart->add_to_cart( $product->id, 1 );
@@ -297,17 +295,17 @@ class Coupon extends \WC_Unit_Test_Case {
 		WC()->cart->remove_coupons();
 
 		// Remove fee
-		\WC_Helper_Fee::remove_cart_fee();
+		WC_Helper_Fee::remove_cart_fee();
 
 		// Delete the flat rate method
 		WC()->session->set( 'chosen_shipping_methods', array() );
-		\WC_Helper_Shipping::delete_simple_flat_rate();
+		WC_Helper_Shipping::delete_simple_flat_rate();
 
 		// Delete coupon
-		\WC_Helper_Coupon::delete_coupon( $coupon->id );
+		WC_Helper_Coupon::delete_coupon( $coupon->id );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 }
diff --git a/tests/unit-tests/coupon/functions.php b/tests/unit-tests/coupon/functions.php
index 6f821ce8097..5dd4f74358d 100644
--- a/tests/unit-tests/coupon/functions.php
+++ b/tests/unit-tests/coupon/functions.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\Coupon;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\Coupon
  * @since 2.2
  */
-class Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test wc_get_coupon_types().
diff --git a/tests/unit-tests/crud/meta.php b/tests/unit-tests/crud/meta.php
index 6be23e5fc49..f21314b2d0f 100644
--- a/tests/unit-tests/crud/meta.php
+++ b/tests/unit-tests/crud/meta.php
@@ -1,17 +1,16 @@
 <?php
-namespace WooCommerce\Tests\CRUD;
 
 /**
  * Meta
  * @package WooCommerce\Tests\CRUD
  */
-class Meta extends \WC_Unit_Test_Case {
+class WC_Tests_CRUD_Meta extends WC_Unit_Test_Case {
 
 	/**
 	 * Create a test post we can add/test meta against.
 	 */
 	public function create_test_post() {
-		$object = new \WC_Mock_WC_data();
+		$object = new WC_Mock_WC_data();
 		$object->set_content( 'testing' );
 		$object->save();
 		return $object;
@@ -21,7 +20,7 @@ class Meta extends \WC_Unit_Test_Case {
 	 * Create a test user we can add/test meta against.
 	 */
 	public function create_test_user() {
-		$object = new \WC_Mock_WC_data();
+		$object = new WC_Mock_WC_data();
 		$object->set_meta_type( 'user' );
 		$object->set_object_id_field( 'user_id' );
 		$object->set_content( 'testing@woo.dev' );
@@ -101,7 +100,7 @@ class Meta extends \WC_Unit_Test_Case {
 			);
 		}
 
-		$object = new \WC_Mock_WC_data();
+		$object = new WC_Mock_WC_data();
 		$object->set_meta_data( $metadata );
 
 		$this->assertEquals( $metadata, $object->get_meta_data() );
@@ -206,7 +205,7 @@ class Meta extends \WC_Unit_Test_Case {
 	 * data before a save.
 	 */
 	function test_add_meta_data_overwrite_before_save() {
-		$object = new \WC_Mock_WC_data;
+		$object = new WC_Mock_WC_data;
 		$object->add_meta_data( 'test_field_0', 'another field', true );
 		$object->add_meta_data( 'test_field_1', 'another field', true );
 		$object->add_meta_data( 'test_field_2', 'val1', true );
diff --git a/tests/unit-tests/customer/customer.php b/tests/unit-tests/customer/customer.php
index 5d1fe2885dc..35ae9505767 100644
--- a/tests/unit-tests/customer/customer.php
+++ b/tests/unit-tests/customer/customer.php
@@ -1,66 +1,65 @@
 <?php
-namespace WooCommerce\Tests\Customer;
 
 /**
  * Class Customer.
  * @package WooCommerce\Tests\Customer
  */
-class Customer extends \WC_Unit_Test_Case {
+class WC_Tests_Customer extends WC_Unit_Test_Case {
 
 	/**
 	 * Test the get_taxable_address method.
 	 */
 	public function test_get_taxable_address() {
 
-		$customer           = \WC_Helper_Customer::create_mock_customer();
-		$base_store_address = \WC_Helper_Customer::get_expected_store_location();
+		$customer           = WC_Helper_Customer::create_mock_customer();
+		$base_store_address = WC_Helper_Customer::get_expected_store_location();
 		$customer_address   = $customer->get_taxable_address(); // Default is geolocation!
 
 		// Get the original settings for the session and the WooCommerce options
-		$original_chosen_shipping_methods = \WC_Helper_Customer::get_chosen_shipping_methods();
-		$original_tax_based_on            = \WC_Helper_Customer::get_tax_based_on();
-		$original_customer_details        = \WC_Helper_Customer::get_customer_details();
+		$original_chosen_shipping_methods = WC_Helper_Customer::get_chosen_shipping_methods();
+		$original_tax_based_on            = WC_Helper_Customer::get_tax_based_on();
+		$original_customer_details        = WC_Helper_Customer::get_customer_details();
 
 		// Create dummy product, and add the product to the cart.
 
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 		WC()->cart->add_to_cart( $product->id, 1 );
 
 		// Customer is going with the Local Pickup option, and the store calculates tax based on the store location.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'base' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
+		WC_Helper_Customer::set_tax_based_on( 'base' );
 		$this->assertEquals( $customer->get_taxable_address(), $base_store_address );
 
 		// Customer is going with the Local Pickup option, and the store calculates tax based on the customer's billing address.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'billing' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
+		WC_Helper_Customer::set_tax_based_on( 'billing' );
 		$this->assertEquals( $customer->get_taxable_address(), $base_store_address );
 
 		// Customer is going with the Free Shipping option, and the store calculates tax based on the customer's billing address.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'billing' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
+		WC_Helper_Customer::set_tax_based_on( 'billing' );
 		$this->assertEquals( $customer->get_taxable_address(), $customer_address );
 
 		// Customer is going with the Free Shipping option, and the store calculates tax based on the store base location.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'base' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
+		WC_Helper_Customer::set_tax_based_on( 'base' );
 		$this->assertEquals( $customer->get_taxable_address(), $base_store_address );
 
 		//Now reset the settings back to the way they were before this test
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( $original_chosen_shipping_methods );
-		\WC_Helper_Customer::set_tax_based_on( $original_tax_based_on );
-		\WC_Helper_Customer::set_customer_details( $original_customer_details );
+		WC_Helper_Customer::set_chosen_shipping_methods( $original_chosen_shipping_methods );
+		WC_Helper_Customer::set_tax_based_on( $original_tax_based_on );
+		WC_Helper_Customer::set_customer_details( $original_customer_details );
 
 		// Clean up the cart
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -69,51 +68,51 @@ class Customer extends \WC_Unit_Test_Case {
 	public function test_is_customer_outside_base() {
 
 		// Get the original settings for the session and the WooCommerce options
-		$original_chosen_shipping_methods = \WC_Helper_Customer::get_chosen_shipping_methods();
-		$original_tax_based_on            = \WC_Helper_Customer::get_tax_based_on();
-		$original_customer_details        = \WC_Helper_Customer::get_customer_details();
+		$original_chosen_shipping_methods = WC_Helper_Customer::get_chosen_shipping_methods();
+		$original_tax_based_on            = WC_Helper_Customer::get_tax_based_on();
+		$original_customer_details        = WC_Helper_Customer::get_customer_details();
 
-		$customer = \WC_Helper_Customer::create_mock_customer();
+		$customer = WC_Helper_Customer::create_mock_customer();
 
 		// Create dummy product, and add the product to the cart.
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		WC()->cart->add_to_cart( $product->id, 1 );
 
 		// Customer is going with the Local Pickup option, and the store calculates tax based on the store location.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'base' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
+		WC_Helper_Customer::set_tax_based_on( 'base' );
 		$this->assertEquals( $customer->is_customer_outside_base(), false );
 
 		// Customer is going with the Local Pickup option, and the store calculates tax based on the customer's billing address.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'billing' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'local_pickup' ) );
+		WC_Helper_Customer::set_tax_based_on( 'billing' );
 		$this->assertEquals( $customer->is_customer_outside_base(), false );
 
 		// Customer is going with the Free Shipping option, and the store calculates tax based on the customer's billing address.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'billing' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
+		WC_Helper_Customer::set_tax_based_on( 'billing' );
 		$this->assertEquals( $customer->is_customer_outside_base(), true );
 
 		// Customer is going with the Free Shipping option, and the store calculates tax based on the store base location.
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
-		\WC_Helper_Customer::set_tax_based_on( 'base' );
+		WC_Helper_Customer::set_chosen_shipping_methods( array( 'free_shipping' ) );
+		WC_Helper_Customer::set_tax_based_on( 'base' );
 		$this->assertEquals( $customer->is_customer_outside_base(), false );
 
 		//Now reset the settings back to the way they were before this test
 
-		\WC_Helper_Customer::set_chosen_shipping_methods( $original_chosen_shipping_methods );
-		\WC_Helper_Customer::set_tax_based_on( $original_tax_based_on );
-		\WC_Helper_Customer::set_customer_details( $original_customer_details );
+		WC_Helper_Customer::set_chosen_shipping_methods( $original_chosen_shipping_methods );
+		WC_Helper_Customer::set_tax_based_on( $original_tax_based_on );
+		WC_Helper_Customer::set_customer_details( $original_customer_details );
 
 		// Clean up the cart
 		WC()->cart->empty_cart();
 
 		// Clean up product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 }
diff --git a/tests/unit-tests/formatting/functions.php b/tests/unit-tests/formatting/functions.php
index 85608b5f5f9..0c7e06cf49b 100644
--- a/tests/unit-tests/formatting/functions.php
+++ b/tests/unit-tests/formatting/functions.php
@@ -1,7 +1,5 @@
 <?php
 
-namespace WooCommerce\Tests\Formatting;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\Formatting
@@ -9,7 +7,7 @@ namespace WooCommerce\Tests\Formatting;
  *
  * @todo Split formatting class into smaller classes
  */
-class Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Formatting_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test wc_sanitize_taxonomy_name().
diff --git a/tests/unit-tests/order/functions.php b/tests/unit-tests/order/functions.php
index 46f689c41ac..b17717aa31c 100644
--- a/tests/unit-tests/order/functions.php
+++ b/tests/unit-tests/order/functions.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\Order;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\Order
  * @since 2.3
  */
-class Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Order_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test wc_get_order_statuses().
@@ -102,7 +100,7 @@ class Functions extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_get_order() {
 
-		$order = \WC_Helper_Order::create_order();
+		$order = WC_Helper_Order::create_order();
 
 		// Assert that $order is a WC_Order object
 		$this->assertInstanceOf( 'WC_Order', $order );
@@ -130,10 +128,10 @@ class Functions extends \WC_Unit_Test_Case {
 	 * @since 2.6
 	 */
 	public function test_wc_order_get_payment_tokens() {
-		$order = \WC_Helper_Order::create_order();
+		$order = WC_Helper_Order::create_order();
 		$this->assertEmpty( $order->get_payment_tokens() );
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		update_post_meta( $order->id, '_payment_tokens', array( $token->get_id() ) );
 
 		$this->assertCount( 1, $order->get_payment_tokens() );
@@ -146,10 +144,10 @@ class Functions extends \WC_Unit_Test_Case {
 	 * @since 2.6
 	 */
 	public function test_wc_order_add_payment_token() {
-		$order = \WC_Helper_Order::create_order();
+		$order = WC_Helper_Order::create_order();
 		$this->assertEmpty( $order->get_payment_tokens() );
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$order->add_payment_token( $token );
 
 		$this->assertCount( 1, $order->get_payment_tokens() );
diff --git a/tests/unit-tests/payment-tokens/cc.php b/tests/unit-tests/payment-tokens/cc.php
index 1e122f6db03..3a7f5a9d173 100644
--- a/tests/unit-tests/payment-tokens/cc.php
+++ b/tests/unit-tests/payment-tokens/cc.php
@@ -1,18 +1,17 @@
 <?php
-namespace WooCommerce\Tests\Payment_Tokens;
 
 /**
  * Class Payment_Token_CC.
  * @package WooCommerce\Tests\Payment_Tokens
  */
-class Payment_Token_CC extends \WC_Unit_Test_Case {
+class WC_Tests_Payment_Token_CC extends WC_Unit_Test_Case {
 
 	/**
 	 * Test validation for empty/unset values.
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_token_cc_validate_empty() {
-		$token = new \WC_Payment_Token_CC();
+		$token = new WC_Payment_Token_CC();
 		$token->set_token( time() . ' ' . __FUNCTION__ );
 		$this->assertFalse( $token->validate() );
 		$token->set_last4( '1111' );
@@ -27,7 +26,7 @@ class Payment_Token_CC extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_token_cc_validate_expiry_length() {
-		$token = new \WC_Payment_Token_CC();
+		$token = new WC_Payment_Token_CC();
 		$token->set_token( time() . ' ' . __FUNCTION__ );
 		$this->assertFalse( $token->validate() );
 
@@ -51,7 +50,7 @@ class Payment_Token_CC extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_cc_card_type() {
-		$token = new \WC_Payment_Token_CC();
+		$token = new WC_Payment_Token_CC();
 		$token->set_card_type( 'visa' );
 		$this->assertEquals( 'visa', $token->get_card_type() );
 	}
@@ -61,7 +60,7 @@ class Payment_Token_CC extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_cc_expiry_year() {
-		$token = new \WC_Payment_Token_CC();
+		$token = new WC_Payment_Token_CC();
 		$token->set_expiry_year( '2016' );
 		$this->assertEquals( '2016', $token->get_expiry_year() );
 	}
@@ -71,7 +70,7 @@ class Payment_Token_CC extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_cc_expiry_month() {
-		$token = new \WC_Payment_Token_CC();
+		$token = new WC_Payment_Token_CC();
 		$token->set_expiry_month( '08' );
 		$this->assertEquals( '08', $token->get_expiry_month() );
 	}
@@ -81,7 +80,7 @@ class Payment_Token_CC extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_cc_last4() {
-		$token = new \WC_Payment_Token_CC();
+		$token = new WC_Payment_Token_CC();
 		$token->set_last4( '1111' );
 		$this->assertEquals( '1111', $token->get_last4() );
 	}
@@ -91,9 +90,9 @@ class Payment_Token_CC extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_cc_read_pulls_meta() {
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token_id = $token->get_id();
-		$token_read = new \WC_Payment_Token_CC();
+		$token_read = new WC_Payment_Token_CC();
 		$token_read->read( $token_id );
 		$this->assertEquals( '1234', $token_read->get_last4() );
 	}
diff --git a/tests/unit-tests/payment-tokens/echeck.php b/tests/unit-tests/payment-tokens/echeck.php
index a1f7721615b..7cd9142d32e 100644
--- a/tests/unit-tests/payment-tokens/echeck.php
+++ b/tests/unit-tests/payment-tokens/echeck.php
@@ -1,18 +1,17 @@
 <?php
-namespace WooCommerce\Tests\Payment_Tokens;
 
 /**
  * Class Payment_Token_eCheck.
  * @package WooCommerce\Tests\Payment_Tokens
  */
-class Payment_Token_eCheck extends \WC_Unit_Test_Case {
+class WC_Tests_Payment_Token_eCheck extends WC_Unit_Test_Case {
 
 	/**
 	 * Test validation for empty/unset values.
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_token_echeck_validate_empty() {
-		$token = new \WC_Payment_Token_eCheck();
+		$token = new WC_Payment_Token_eCheck();
 		$token->set_token( time() . ' ' . __FUNCTION__ );
 		$this->assertFalse( $token->validate() );
 		$token->set_last4( '1111' );
@@ -24,7 +23,7 @@ class Payment_Token_eCheck extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_echeck_last4() {
-		$token = new \WC_Payment_Token_eCheck();
+		$token = new WC_Payment_Token_eCheck();
 		$token->set_last4( '1111' );
 		$this->assertEquals( '1111', $token->get_last4() );
 	}
@@ -34,10 +33,10 @@ class Payment_Token_eCheck extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_echeck_read_pulls_meta() {
-		$token = \WC_Helper_Payment_Token::create_eCheck_token();
+		$token = WC_Helper_Payment_Token::create_eCheck_token();
 		$token_id = $token->get_id();
 
-		$token_read = new \WC_Payment_Token_eCheck();
+		$token_read = new WC_Payment_Token_eCheck();
 		$token_read->read( $token_id );
 
 		$this->assertEquals( '1234', $token_read->get_last4() );
diff --git a/tests/unit-tests/payment-tokens/payment-token.php b/tests/unit-tests/payment-tokens/payment-token.php
index 6feeaa19371..0d16fdc9e21 100644
--- a/tests/unit-tests/payment-tokens/payment-token.php
+++ b/tests/unit-tests/payment-tokens/payment-token.php
@@ -1,18 +1,17 @@
 <?php
-namespace WooCommerce\Tests\Payment_Tokens;
 
 /**
  * Class Payment_Token
  * @package WooCommerce\Tests\Payment_Tokens
  */
-class Payment_Token extends \WC_Unit_Test_Case {
+class WC_Tests_Payment_Token extends WC_Unit_Test_Case {
 
 	/**
 	 * Test get type returns the class name/type.
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_get_type() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$this->assertEquals( 'stub', $token->get_type() );
 	}
 
@@ -22,7 +21,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_payment_token_token() {
 		$raw_token = time() . ' ' . __FUNCTION__;
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$token->set_token( $raw_token );
 		$this->assertEquals( $raw_token, $token->get_token() );
 	}
@@ -32,7 +31,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_user_id() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$token->set_user_id( 1 );
 		$this->assertEquals( 1, $token->get_user_id() );
 	}
@@ -42,7 +41,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_get_user_id_defaults_to_0() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$this->assertEquals( 0, $token->get_user_id() );
 	}
 
@@ -51,7 +50,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_gateway_id() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$token->set_gateway_id( 'paypal' );
 		$this->assertEquals( 'paypal', $token->get_gateway_id() );
 	}
@@ -61,7 +60,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_is_default() {
-		$token = new \WC_Payment_Token_Stub( 1 );
+		$token = new WC_Payment_Token_Stub( 1 );
 		$token->set_default( true );
 		$this->assertTrue( $token->is_default() );
 		$token->set_default( false );
@@ -75,7 +74,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_payment_token_get_data() {
 		$raw_token = time() . ' ' . __FUNCTION__;
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$token->set_token( $raw_token );
 		$token->set_gateway_id( 'paypal' );
 		$token->set_extra( 'woocommerce' );
@@ -94,11 +93,11 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_validation() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$token->set_token( time() . ' ' . __FUNCTION__ );
 		$this->assertTrue( $token->validate() );
 
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$this->assertFalse( $token->validate() );
 	}
 
@@ -107,10 +106,10 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_read() {
-		$token = \WC_Helper_Payment_Token::create_stub_token( __FUNCTION__ );
+		$token = WC_Helper_Payment_Token::create_stub_token( __FUNCTION__ );
 		$token_id = $token->get_id();
 
-		$token_read = new \WC_Payment_Token_Stub();
+		$token_read = new WC_Payment_Token_Stub();
 		$token_read->read( $token_id );
 
 		$this->assertEquals( $token->get_token(), $token_read->get_token() );
@@ -122,7 +121,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_update() {
-		$token = \WC_Helper_Payment_Token::create_stub_token( __FUNCTION__ );
+		$token = WC_Helper_Payment_Token::create_stub_token( __FUNCTION__ );
 		$this->assertEquals( __FUNCTION__, $token->get_extra() );
 		$token->set_extra( ':)' );
 		$token->update();
@@ -134,7 +133,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_create() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$token->set_extra( __FUNCTION__ );
 		$token->set_token( time() );
 		$token->create();
@@ -148,10 +147,10 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_delete() {
-		$token = \WC_Helper_Payment_Token::create_stub_token( __FUNCTION__ );
+		$token = WC_Helper_Payment_Token::create_stub_token( __FUNCTION__ );
 		$token_id = $token->get_id();
 		$token->delete();
-		$get_token = \WC_Payment_Tokens::get( $token_id );
+		$get_token = WC_Payment_Tokens::get( $token_id );
 		$this->assertNull( $get_token );
 	}
 
@@ -160,7 +159,7 @@ class Payment_Token extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_payment_token_last4_doesnt_work() {
-		$token = new \WC_Payment_Token_Stub();
+		$token = new WC_Payment_Token_Stub();
 		$this->assertFalse( is_callable( $token, 'get_last4' ) );
 	}
 
diff --git a/tests/unit-tests/payment-tokens/payment-tokens.php b/tests/unit-tests/payment-tokens/payment-tokens.php
index e6ee877c8ad..563512730ca 100644
--- a/tests/unit-tests/payment-tokens/payment-tokens.php
+++ b/tests/unit-tests/payment-tokens/payment-tokens.php
@@ -1,11 +1,10 @@
 <?php
-namespace WooCommerce\Tests\Payment_Tokens;
 
 /**
  * Class Payment_Tokens
  * @package WooCommerce\Tests\Payment_Tokens
  */
-class Payment_Tokens extends \WC_Unit_Test_Case {
+class WC_Tests_Payment_Tokens extends WC_Unit_Test_Case {
 
 	public function setUp() {
 		parent::setUp();
@@ -18,13 +17,13 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_get_order_tokens() {
-		$order = \WC_Helper_Order::create_order();
-		$this->assertEmpty( \WC_Payment_Tokens::get_order_tokens( $order->id ) );
+		$order = WC_Helper_Order::create_order();
+		$this->assertEmpty( WC_Payment_Tokens::get_order_tokens( $order->id ) );
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		update_post_meta( $order->id, '_payment_tokens', array( $token->get_id() ) );
 
-		$this->assertCount( 1, \WC_Payment_Tokens::get_order_tokens( $order->id ) );
+		$this->assertCount( 1, WC_Payment_Tokens::get_order_tokens( $order->id ) );
 
 	}
 
@@ -33,17 +32,17 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_get_customer_tokens_no_gateway() {
-		$this->assertEmpty( \WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
+		$this->assertEmpty( WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token->set_user_id( $this->user_id );
 		$token->save();
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token->set_user_id( $this->user_id );
 		$token->save();
 
-		$this->assertCount( 2, \WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
+		$this->assertCount( 2, WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
 	}
 
 	/**
@@ -51,22 +50,22 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_get_customer_tokens_with_gateway() {
-		$this->assertEmpty( \WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
+		$this->assertEmpty( WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token->set_user_id( $this->user_id );
 		$token->set_gateway_id( 'simplify_commerce' );
 		$token->save();
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token->set_user_id( $this->user_id );
 		$token->set_gateway_id( 'paypal' );
 		$token->save();
 
-		$this->assertCount( 2, \WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
-		$this->assertCount( 1, \WC_Payment_Tokens::get_customer_tokens( $this->user_id, 'simplify_commerce' ) );
+		$this->assertCount( 2, WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
+		$this->assertCount( 1, WC_Payment_Tokens::get_customer_tokens( $this->user_id, 'simplify_commerce' ) );
 
-		foreach ( \WC_Payment_Tokens::get_customer_tokens( $this->user_id, 'simplify_commerce' ) as $simplify_token ) {
+		foreach ( WC_Payment_Tokens::get_customer_tokens( $this->user_id, 'simplify_commerce' ) as $simplify_token ) {
 			$this->assertEquals( 'simplify_commerce', $simplify_token->get_gateway_id() );
 		}
 	}
@@ -76,20 +75,20 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_get_customer_default_token() {
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token->set_user_id( $this->user_id );
 		$token->set_gateway_id( 'simplify_commerce' );
 		$token->save();
 
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token->set_user_id( $this->user_id );
 		$token->set_default( true );
 		$token->set_gateway_id( 'paypal' );
 		$token->save();
 
-		$this->assertCount( 2, \WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
+		$this->assertCount( 2, WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
 
-		$default_token = \WC_Payment_Tokens::get_customer_default_token( $this->user_id );
+		$default_token = WC_Payment_Tokens::get_customer_default_token( $this->user_id );
 		$this->assertEquals( 'paypal', $default_token->get_gateway_id() );
 	}
 
@@ -101,17 +100,17 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_get_customer_default_token_returns_first_created_when_no_default_token_set() {
-		$token = \WC_Helper_Payment_Token::create_cc_token( $this->user_id );
+		$token = WC_Helper_Payment_Token::create_cc_token( $this->user_id );
 		$token->set_gateway_id( 'simplify_commerce' );
 		$token->save();
 
-		$token = \WC_Helper_Payment_Token::create_cc_token( $this->user_id );
+		$token = WC_Helper_Payment_Token::create_cc_token( $this->user_id );
 		$token->set_gateway_id( 'paypal' );
 		$token->save();
 
-		$this->assertCount( 2, \WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
+		$this->assertCount( 2, WC_Payment_Tokens::get_customer_tokens( $this->user_id ) );
 
-		$default_token = \WC_Payment_Tokens::get_customer_default_token( $this->user_id );
+		$default_token = WC_Payment_Tokens::get_customer_default_token( $this->user_id );
 		$this->assertEquals( 'simplify_commerce', $default_token->get_gateway_id() );
 	}
 
@@ -120,9 +119,9 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_get() {
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token_id = $token->get_id();
-		$get_token = \WC_Payment_Tokens::get( $token_id );
+		$get_token = WC_Payment_Tokens::get( $token_id );
 		$this->assertEquals( $token->get_token(), $get_token->get_token() );
 	}
 
@@ -131,12 +130,12 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_delete() {
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token_id = $token->get_id();
 
-		\WC_Payment_Tokens::delete( $token_id );
+		WC_Payment_Tokens::delete( $token_id );
 
-		$get_token = \WC_Payment_Tokens::get( $token_id );
+		$get_token = WC_Payment_Tokens::get( $token_id );
 		$this->assertNull( $get_token );
 	}
 
@@ -145,9 +144,9 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_get_type_by_id() {
-		$token = \WC_Helper_Payment_Token::create_cc_token();
+		$token = WC_Helper_Payment_Token::create_cc_token();
 		$token_id = $token->get_id();
-		$this->assertEquals( 'CC', \WC_Payment_Tokens::get_token_type_by_id( $token_id ) );
+		$this->assertEquals( 'CC', WC_Payment_Tokens::get_token_type_by_id( $token_id ) );
 	}
 
 	/**
@@ -155,24 +154,24 @@ class Payment_Tokens extends \WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	function test_wc_payment_tokens_set_users_default() {
-		$token = \WC_Helper_Payment_Token::create_cc_token( $this->user_id );
+		$token = WC_Helper_Payment_Token::create_cc_token( $this->user_id );
 		$token_id = $token->get_id();
 		$token->save();
 
-		$token2 = \WC_Helper_Payment_Token::create_cc_token( $this->user_id );
+		$token2 = WC_Helper_Payment_Token::create_cc_token( $this->user_id );
 		$token_id_2 = $token2->get_id();
 		$token2->save();
 
 		$this->assertTrue( $token->is_default() ); // first created is default
 		$this->assertFalse( $token2->is_default() );
 
-		\WC_Payment_Tokens::set_users_default( $this->user_id, $token_id_2 );
+		WC_Payment_Tokens::set_users_default( $this->user_id, $token_id_2 );
 		$token->read( $token_id );
 		$token2->read( $token_id_2 );
 		$this->assertFalse( $token->is_default() );
 		$this->assertTrue( $token2->is_default() );
 
-		\WC_Payment_Tokens::set_users_default( $this->user_id, $token_id );
+		WC_Payment_Tokens::set_users_default( $this->user_id, $token_id );
 		$token->read( $token_id );
 		$token2->read( $token_id_2 );
 		$this->assertTrue( $token->is_default() );
diff --git a/tests/unit-tests/product/functions.php b/tests/unit-tests/product/functions.php
index 0adda7d313c..7ea15a0d371 100644
--- a/tests/unit-tests/product/functions.php
+++ b/tests/unit-tests/product/functions.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\Product;
-
 /**
  * Class Functions.
  * @package WooCommerce\Tests\Product
  * @since 2.3
  */
-class Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Product_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test wc_get_product().
@@ -17,14 +15,14 @@ class Functions extends \WC_Unit_Test_Case {
 	public function test_wc_get_product() {
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product_copy = wc_get_product( $product->id );
 
 		$this->assertEquals( $product->id, $product_copy->id );
 
 		// Delete Product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -34,7 +32,7 @@ class Functions extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_update_product_stock() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		update_post_meta( $product->id, '_manage_stock', 'yes' );
 
@@ -42,7 +40,7 @@ class Functions extends \WC_Unit_Test_Case {
 		$this->assertEquals( 5, $product->stock );
 
 		// Delete Product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -52,7 +50,7 @@ class Functions extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_delete_product_transients() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		update_post_meta( $product->id, '_regular_price', wc_format_decimal( 10 ) );
 		update_post_meta( $product->id, '_price', wc_format_decimal( 5 ) );
@@ -67,7 +65,7 @@ class Functions extends \WC_Unit_Test_Case {
 		$this->assertFalse( get_transient( 'wc_products_onsale' ) );
 		$this->assertFalse( get_transient( 'wc_featured_products' ) );
 
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -81,7 +79,7 @@ class Functions extends \WC_Unit_Test_Case {
 		delete_transient( 'wc_products_onsale' );
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		update_post_meta( $product->id, '_regular_price', wc_format_decimal( 10 ) );
 		update_post_meta( $product->id, '_price', wc_format_decimal( 5 ) );
@@ -90,7 +88,7 @@ class Functions extends \WC_Unit_Test_Case {
 		$this->assertEquals( array( $product->id ), wc_get_product_ids_on_sale() );
 
 		// Delete Product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -104,14 +102,14 @@ class Functions extends \WC_Unit_Test_Case {
 		delete_transient( 'wc_featured_products' );
 
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		update_post_meta( $product->id, '_featured', 'yes' );
 
 		$this->assertEquals( array( $product->id ), wc_get_featured_product_ids() );
 
 		// Delete Product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -157,18 +155,18 @@ class Functions extends \WC_Unit_Test_Case {
 	 * @since 2.3
 	 */
 	public function test_wc_product_has_unique_sku() {
-		$product_1 = \WC_Helper_Product::create_simple_product();
+		$product_1 = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( true, wc_product_has_unique_sku( $product_1->id, $product_1->sku ) );
 
-		$product_2 = \WC_Helper_Product::create_simple_product();
+		$product_2 = WC_Helper_Product::create_simple_product();
 		$this->assertEquals( false, wc_product_has_unique_sku( $product_2->id, $product_2->sku ) );
 
-		\WC_Helper_Product::delete_product( $product_1->id );
+		WC_Helper_Product::delete_product( $product_1->id );
 
 		$this->assertEquals( true, wc_product_has_unique_sku( $product_2->id, $product_2->sku ) );
 
-		\WC_Helper_Product::delete_product( $product_2->id );
+		WC_Helper_Product::delete_product( $product_2->id );
 	}
 
 	/**
@@ -178,11 +176,11 @@ class Functions extends \WC_Unit_Test_Case {
 	 */
 	public function test_wc_get_product_id_by_sku() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( $product->id, wc_get_product_id_by_sku( $product->sku ) );
 
 		// Delete Product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 }
diff --git a/tests/unit-tests/product/product-simple.php b/tests/unit-tests/product/product-simple.php
index d34ede911f3..fb6dee675fb 100644
--- a/tests/unit-tests/product/product-simple.php
+++ b/tests/unit-tests/product/product-simple.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\Product;
-
 /**
  * Class Product_Simple.
  * @package WooCommerce\Tests\Product
  * @since 2.3
  */
-class Product_Simple extends \WC_Unit_Test_Case {
+class WC_Tests_Product_Simple extends WC_Unit_Test_Case {
 
 	/**
 	 * Test add_to_cart_text().
@@ -16,7 +14,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_add_to_cart_text() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( __( 'Add to cart', 'woocommerce' ), $product->add_to_cart_text() );
 
@@ -24,7 +22,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertEquals( __( 'Read More', 'woocommerce' ), $product->add_to_cart_text() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -34,12 +32,12 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_single_add_to_cart_text() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( __( 'Add to cart', 'woocommerce' ), $product->single_add_to_cart_text() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -49,12 +47,12 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_get_title() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( 'Dummy Product', $product->get_title() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -64,12 +62,12 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_get_permalink() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( get_permalink( $product->id ), $product->get_permalink() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -79,12 +77,12 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_get_sku() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEquals( $product->sku, $product->get_sku() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -94,7 +92,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_get_stock_quantity() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEmpty( $product->get_stock_quantity() );
 
@@ -103,7 +101,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertEquals( 0, $product->get_stock_quantity() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -113,7 +111,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_get_total_stock() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEmpty( $product->get_total_stock() );
 
@@ -121,7 +119,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertEquals( 0, $product->get_total_stock() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -131,7 +129,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_set_stock() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->manage_stock = 'yes';
 		$this->assertEquals( 5, $product->set_stock( 5 ) );
@@ -139,7 +137,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertEquals( 5, $product->set_stock( 3, 'add' ) );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -149,14 +147,14 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_reduce_stock() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->manage_stock = 'yes';
 		$product->set_stock( 5 );
 		$this->assertEquals( 2, $product->reduce_stock( 3 ) );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -166,14 +164,14 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_increase_stock() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->manage_stock = 'yes';
 		$product->set_stock( 5 );
 		$this->assertEquals( 8, $product->increase_stock( 3 ) );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -183,7 +181,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_is_type() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertTrue( $product->is_type( 'simple' ) );
 		$this->assertFalse( $product->is_type( 'grouped' ) );
@@ -191,7 +189,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertFalse( $product->is_type( 'external' ) );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -201,7 +199,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_is_downloadable() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEmpty( $product->is_downloadable() );
 
@@ -212,7 +210,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertFalse( $product->is_downloadable() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -222,7 +220,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_is_virtual() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$this->assertEmpty( $product->is_virtual() );
 
@@ -233,7 +231,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertFalse( $product->is_virtual() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -243,7 +241,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_needs_shipping() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->virtual = 'yes';
 		$this->assertFalse( $product->needs_shipping() );
@@ -252,7 +250,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertTrue( $product->needs_shipping() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -262,7 +260,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_is_sold_individually() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->sold_individually = 'yes';
 		$this->assertTrue( $product->is_sold_individually() );
@@ -271,7 +269,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertFalse( $product->is_sold_individually() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -281,7 +279,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_backorders_allowed() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->backorders = 'yes';
 		$this->assertTrue( $product->backorders_allowed() );
@@ -293,7 +291,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertFalse( $product->backorders_allowed() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 
 	/**
@@ -303,7 +301,7 @@ class Product_Simple extends \WC_Unit_Test_Case {
 	 */
 	public function test_backorders_require_notification() {
 		// Create product
-		$product = \WC_Helper_Product::create_simple_product();
+		$product = WC_Helper_Product::create_simple_product();
 
 		$product->backorders = 'notify';
 		$product->manage_stock = 'yes';
@@ -320,6 +318,6 @@ class Product_Simple extends \WC_Unit_Test_Case {
 		$this->assertFalse( $product->backorders_require_notification() );
 
 		// Delete product
-		\WC_Helper_Product::delete_product( $product->id );
+		WC_Helper_Product::delete_product( $product->id );
 	}
 }
diff --git a/tests/unit-tests/shipping-zones/shipping-zone.php b/tests/unit-tests/shipping-zones/shipping-zone.php
index 6ceb385a17f..e1d9261323d 100644
--- a/tests/unit-tests/shipping-zones/shipping-zone.php
+++ b/tests/unit-tests/shipping-zones/shipping-zone.php
@@ -1,28 +1,27 @@
 <?php
-namespace WooCommerce\Tests\Shipping_Zone;
 
 /**
  * Class Shipping_Zone.
  * @package WooCommerce\Tests\Shipping_Zone
  */
-class Shipping_Zone extends \WC_Unit_Test_Case {
+class WC_Tests_Shipping_Zone extends WC_Unit_Test_Case {
 
 	/**
 	 * Test: WC_Shipping_Zone::get_data
 	 */
 	public function test_get_data() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
         $data = $zone->get_data();
 
         // Assert
         $this->assertTrue( \is_array( $data ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -30,16 +29,16 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone_id() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertEquals( $zone->get_zone_id(), 1 );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -47,16 +46,16 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone_name() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertEquals( $zone->get_zone_name(), 'Local' );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -64,16 +63,16 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone_order() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertEquals( $zone->get_zone_order(), 1 );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -81,17 +80,17 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone_locations() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertTrue( \is_array( $zone->get_zone_locations() ) );
         $this->assertTrue( 2 === \sizeof( $zone->get_zone_locations() ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -99,34 +98,34 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
     public function test_get_formatted_location() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertEquals( $zone->get_formatted_location(), 'United Kingdom (UK), CB*' );
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 2 );
+        $zone = WC_Shipping_Zones::get_zone( 2 );
 
         // Assert
         $this->assertEquals( $zone->get_formatted_location(), 'Europe' );
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 3 );
+        $zone = WC_Shipping_Zones::get_zone( 3 );
 
         // Assert
         $this->assertEquals( $zone->get_formatted_location(), 'California' );
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 4 );
+        $zone = WC_Shipping_Zones::get_zone( 4 );
 
         // Assert
         $this->assertEquals( $zone->get_formatted_location(), 'United States (US)' );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -134,10 +133,10 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_get_shipping_methods() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 		$zone->add_shipping_method( 'flat_rate' );
 		$methods = $zone->get_shipping_methods();
 
@@ -146,7 +145,7 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 		$this->assertInstanceOf( 'WC_Shipping_Method', current( $methods ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -154,17 +153,17 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_set_zone_name() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 		$zone->set_zone_name( 'I am a fish' );
 
         // Assert
         $this->assertEquals( $zone->get_zone_name(), 'I am a fish' );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -172,17 +171,17 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_set_zone_order() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 		$zone->set_zone_order( 100 );
 
         // Assert
         $this->assertEquals( $zone->get_zone_order(), 100 );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -190,16 +189,16 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_is_valid_location_type() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertEquals( $zone->get_zone_order(), 1 );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -207,10 +206,10 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_add_location() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertTrue( $zone->is_valid_location_type( 'state' ) );
@@ -220,7 +219,7 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 		$this->assertFalse( $zone->is_valid_location_type( 'poop' ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -228,10 +227,10 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_clear_locations() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 		$zone->clear_locations();
 
         // Assert
@@ -239,7 +238,7 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
         $this->assertTrue( empty( $zone_locations ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -247,10 +246,10 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_set_locations() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 		$zone->clear_locations();
 		$zone->set_locations( array(
 			array(
@@ -276,7 +275,7 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 		) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -284,19 +283,19 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_save() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
 		// Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 		$zone->set_zone_name( 'I am a fish' );
 		$zone->save();
-		$zone = \WC_Shipping_Zones::get_zone( 1 );
+		$zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert
         $this->assertEquals( $zone->get_zone_name(), 'I am a fish' );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -304,10 +303,10 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 	 */
 	public function test_add_shipping_method() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone        = \WC_Shipping_Zones::get_zone( 1 );
+        $zone        = WC_Shipping_Zones::get_zone( 1 );
 		$zone->add_shipping_method( 'flat_rate' );
 		$zone->add_shipping_method( 'free_shipping' );
 
@@ -319,6 +318,6 @@ class Shipping_Zone extends \WC_Unit_Test_Case {
 		$this->assertInstanceOf( 'WC_Shipping_Method', current( $methods ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 }
diff --git a/tests/unit-tests/shipping-zones/shipping-zones.php b/tests/unit-tests/shipping-zones/shipping-zones.php
index 2699d5bdae2..08667ac3bdf 100644
--- a/tests/unit-tests/shipping-zones/shipping-zones.php
+++ b/tests/unit-tests/shipping-zones/shipping-zones.php
@@ -1,28 +1,27 @@
 <?php
-namespace WooCommerce\Tests\Shipping_Zones;
 
 /**
  * Class Shipping_Zones.
  * @package WooCommerce\Tests\Shipping_Zones
  */
-class Shipping_Zones extends \WC_Unit_Test_Case {
+class WC_Tests_Shipping_Zones extends WC_Unit_Test_Case {
 
 	/**
 	 * Test: WC_Shipping_Zones::get_zones
 	 */
 	public function test_get_zones() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zones = \WC_Shipping_Zones::get_zones();
+        $zones = WC_Shipping_Zones::get_zones();
 
         // Assert
         $this->assertTrue( \is_array( $zones ) );
         $this->assertTrue( 4 === \sizeof( $zones ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
 	}
 
     /**
@@ -30,17 +29,17 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone( 1 );
+        $zone = WC_Shipping_Zones::get_zone( 1 );
 
         // Assert that the first zone is our local zone
         $this->assertInstanceOf( 'WC_Shipping_Zone', $zone );
         $this->assertEquals( $zone->get_zone_name(), 'Local' );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -48,10 +47,10 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone_by() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone = \WC_Shipping_Zones::get_zone_by( 'zone_id', 2 );
+        $zone = WC_Shipping_Zones::get_zone_by( 'zone_id', 2 );
 
         // Assert
         $this->assertInstanceOf( 'WC_Shipping_Zone', $zone );
@@ -60,14 +59,14 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
         // Test instance_id
         $instance_id = $zone->add_shipping_method( 'flat_rate' );
 
-        $zone = \WC_Shipping_Zones::get_zone_by( 'instance_id', $instance_id );
+        $zone = WC_Shipping_Zones::get_zone_by( 'instance_id', $instance_id );
 
         // Assert
         $this->assertInstanceOf( 'WC_Shipping_Zone', $zone );
         $this->assertEquals( $zone->get_zone_name(), 'Europe' );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -75,18 +74,18 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
 	 */
     public function test_get_shipping_method() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone            = \WC_Shipping_Zones::get_zone_by( 'zone_id', 1 );
+        $zone            = WC_Shipping_Zones::get_zone_by( 'zone_id', 1 );
         $instance_id     = $zone->add_shipping_method( 'flat_rate' );
-        $shipping_method = \WC_Shipping_Zones::get_shipping_method( $instance_id );
+        $shipping_method = WC_Shipping_Zones::get_shipping_method( $instance_id );
 
         // Assert
         $this->assertInstanceOf( 'WC_Shipping_Flat_Rate', $shipping_method );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -94,17 +93,17 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
 	 */
     public function test_delete_zone() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        \WC_Shipping_Zones::delete_zone( 1 );
-        $zones = \WC_Shipping_Zones::get_zones();
+        WC_Shipping_Zones::delete_zone( 1 );
+        $zones = WC_Shipping_Zones::get_zones();
 
         // Assert
         $this->assertTrue( 3 === \sizeof( $zones ) );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 
     /**
@@ -112,31 +111,31 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
 	 */
     public function test_get_zone_matching_package() {
         // Setup
-        \WC_Helper_Shipping_Zones::create_mock_zones();
+        WC_Helper_Shipping_Zones::create_mock_zones();
 
         // Test
-        $zone1 = \WC_Shipping_Zones::get_zone_matching_package( array(
+        $zone1 = WC_Shipping_Zones::get_zone_matching_package( array(
             'destination' => array(
                 'country'  => 'GB',
                 'state'    => 'Cambs',
                 'postcode' => 'CB23 1GG',
             )
         ) );
-        $zone2 = \WC_Shipping_Zones::get_zone_matching_package( array(
+        $zone2 = WC_Shipping_Zones::get_zone_matching_package( array(
             'destination' => array(
                 'country'  => 'GB',
                 'state'    => 'Cambs',
                 'postcode' => 'PE12 1BG',
             )
         ) );
-        $zone3 = \WC_Shipping_Zones::get_zone_matching_package( array(
+        $zone3 = WC_Shipping_Zones::get_zone_matching_package( array(
             'destination' => array(
                 'country'  => 'US',
                 'state'    => 'CA',
                 'postcode' => '90210',
             )
         ) );
-        $zone4 = \WC_Shipping_Zones::get_zone_matching_package( array(
+        $zone4 = WC_Shipping_Zones::get_zone_matching_package( array(
             'destination' => array(
                 'country'  => 'US',
                 'state'    => 'AL',
@@ -151,6 +150,6 @@ class Shipping_Zones extends \WC_Unit_Test_Case {
         $this->assertEquals( 'US', $zone4->get_zone_name() );
 
         // Clean
-        \WC_Helper_Shipping_Zones::remove_mock_zones();
+        WC_Helper_Shipping_Zones::remove_mock_zones();
     }
 }
diff --git a/tests/unit-tests/tax/tax.php b/tests/unit-tests/tax/tax.php
index bf6f033f89a..56359f29cda 100644
--- a/tests/unit-tests/tax/tax.php
+++ b/tests/unit-tests/tax/tax.php
@@ -1,11 +1,10 @@
 <?php
-namespace WooCommerce\Tests\Tax;
 
 /**
  * Class Tax.
  * @package WooCommerce\Tests\Tax
  */
-class Tax extends \WC_Unit_Test_Case {
+class WC_Tests_Tax extends WC_Unit_Test_Case {
 
 	/**
 	 * Get rates.
@@ -16,7 +15,7 @@ class Tax extends \WC_Unit_Test_Case {
 		$wpdb->query( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates" );
 		$wpdb->query( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations" );
 
-		$customer_location = \WC_Tax::get_tax_location();
+		$customer_location = WC_Tax::get_tax_location();
 		$tax_rate          = array(
 			'tax_rate_country'  => $customer_location[0],
 			'tax_rate_state'    => '',
@@ -29,13 +28,13 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::get_rates();
+		$tax_rates = WC_Tax::get_rates();
 
 		$this->assertEquals( $tax_rates, array( $tax_rate_id => array( 'rate' => '20.0000', 'label' => 'VAT', 'shipping' => 'yes', 'compound' => 'no' ) ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -47,7 +46,7 @@ class Tax extends \WC_Unit_Test_Case {
 		$wpdb->query( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates" );
 		$wpdb->query( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations" );
 
-		$customer_location = \WC_Tax::get_tax_location();
+		$customer_location = WC_Tax::get_tax_location();
 		$tax_rate = array(
 			'tax_rate_country'  => $customer_location[0],
 			'tax_rate_state'    => '',
@@ -60,13 +59,13 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::get_shipping_tax_rates();
+		$tax_rates = WC_Tax::get_shipping_tax_rates();
 
 		$this->assertEquals( $tax_rates, array( $tax_rate_id => array( 'rate' => '20.0000', 'label' => 'VAT', 'shipping' => 'yes', 'compound' => 'no' ) ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -90,13 +89,13 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::get_base_tax_rates();
+		$tax_rates = WC_Tax::get_base_tax_rates();
 
 		$this->assertEquals( $tax_rates, array( $tax_rate_id => array( 'rate' => '20.0000', 'label' => 'VAT', 'shipping' => 'yes', 'compound' => 'no' ) ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -120,9 +119,9 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::find_rates( array(
+		$tax_rates = WC_Tax::find_rates( array(
 			'country'   => 'GB',
 			'state'     => 'Cambs',
 			'postcode'  => 'PE14 1XX',
@@ -132,7 +131,7 @@ class Tax extends \WC_Unit_Test_Case {
 
 		$this->assertEquals( $tax_rates, array( $tax_rate_id => array( 'rate' => '20.0000', 'label' => 'VAT', 'shipping' => 'yes', 'compound' => 'no' ) ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -156,9 +155,9 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::find_shipping_rates( array(
+		$tax_rates = WC_Tax::find_shipping_rates( array(
 			'country'   => 'GB',
 			'state'     => 'Cambs',
 			'postcode'  => 'PE14 1XX',
@@ -168,7 +167,7 @@ class Tax extends \WC_Unit_Test_Case {
 
 		$this->assertEquals( $tax_rates, array( $tax_rate_id => array( 'rate' => '20.0000', 'label' => 'VAT', 'shipping' => 'yes', 'compound' => 'no' ) ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -192,9 +191,9 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::find_rates( array(
+		$tax_rates = WC_Tax::find_rates( array(
 			'country'   => 'GB',
 			'state'     => 'Cambs',
 			'postcode'  => 'PE14 1XX',
@@ -202,15 +201,15 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_class' => ''
 		) );
 
-		$calced_tax = \WC_Tax::calc_tax( '9.99', $tax_rates, true, false );
+		$calced_tax = WC_Tax::calc_tax( '9.99', $tax_rates, true, false );
 
 		$this->assertEquals( $calced_tax, array( $tax_rate_id => '1.665' ) );
 
-		$calced_tax = \WC_Tax::calc_tax( '9.99', $tax_rates, false, false );
+		$calced_tax = WC_Tax::calc_tax( '9.99', $tax_rates, false, false );
 
 		$this->assertEquals( $calced_tax, array( $tax_rate_id => '1.998' ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -249,10 +248,10 @@ class Tax extends \WC_Unit_Test_Case {
 		  'tax_rate_class'    => ''
 		);
 
-		$tax_rate_1_id = \WC_Tax::_insert_tax_rate( $tax_rate_1 );
-		$tax_rate_2_id = \WC_Tax::_insert_tax_rate( $tax_rate_2 );
+		$tax_rate_1_id = WC_Tax::_insert_tax_rate( $tax_rate_1 );
+		$tax_rate_2_id = WC_Tax::_insert_tax_rate( $tax_rate_2 );
 
-		$tax_rates = \WC_Tax::find_rates( array(
+		$tax_rates = WC_Tax::find_rates( array(
 		  'country'   => 'CA',
 		  'state'     => 'QC',
 		  'postcode'  => '12345',
@@ -261,11 +260,11 @@ class Tax extends \WC_Unit_Test_Case {
 		) );
 
 		// prices exclusive of tax
-		$calced_tax = \WC_Tax::calc_tax( '100', $tax_rates, false, false );
+		$calced_tax = WC_Tax::calc_tax( '100', $tax_rates, false, false );
 		$this->assertEquals( $calced_tax, array( $tax_rate_1_id => '5.0000', $tax_rate_2_id => '8.925' ) );
 
 		// prices inclusive of tax
-		$calced_tax = \WC_Tax::calc_tax( '100', $tax_rates, true, false );
+		$calced_tax = WC_Tax::calc_tax( '100', $tax_rates, true, false );
 		/**
 		 * 100 is inclusive of all taxes.
 		 *
@@ -275,8 +274,8 @@ class Tax extends \WC_Unit_Test_Case {
 		 */
 		$this->assertEquals( $calced_tax, array( $tax_rate_1_id => 4.3889, $tax_rate_2_id => 7.8341 ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_1_id );
-		\WC_Tax::_delete_tax_rate( $tax_rate_2_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_1_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_2_id );
 		update_option( 'woocommerce_default_country', 'GB' );
 		update_option( 'woocommerce_default_state', '' );
 	}
@@ -302,9 +301,9 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$tax_rates = \WC_Tax::find_rates( array(
+		$tax_rates = WC_Tax::find_rates( array(
 			'country'   => 'GB',
 			'state'     => 'Cambs',
 			'postcode'  => 'PE14 1XX',
@@ -312,11 +311,11 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_class' => ''
 		) );
 
-		$calced_tax = \WC_Tax::calc_shipping_tax( '10', $tax_rates );
+		$calced_tax = WC_Tax::calc_shipping_tax( '10', $tax_rates );
 
 		$this->assertEquals( $calced_tax, array( $tax_rate_id => '2' ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -337,11 +336,11 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$this->assertEquals(\WC_Tax::get_rate_label( $tax_rate_id ), 'VAT' );
+		$this->assertEquals(WC_Tax::get_rate_label( $tax_rate_id ), 'VAT' );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -362,11 +361,11 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$this->assertEquals(\WC_Tax::get_rate_percent( $tax_rate_id ), '20%' );
+		$this->assertEquals(WC_Tax::get_rate_percent( $tax_rate_id ), '20%' );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -387,11 +386,11 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$this->assertEquals(\WC_Tax::get_rate_code( $tax_rate_id ), 'GB-VAT-1' );
+		$this->assertEquals(WC_Tax::get_rate_code( $tax_rate_id ), 'GB-VAT-1' );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -412,18 +411,18 @@ class Tax extends \WC_Unit_Test_Case {
 			'tax_rate_class'    => ''
 		);
 
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		$this->assertTrue(\WC_Tax::is_compound( $tax_rate_id ) );
+		$this->assertTrue(WC_Tax::is_compound( $tax_rate_id ) );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
 	 * Test the rounding method.
 	 */
 	public function test_round() {
-		$this->assertEquals(\WC_Tax::round( '2.1234567' ), '2.1235' );
+		$this->assertEquals(WC_Tax::round( '2.1234567' ), '2.1235' );
 	}
 
 	/**
@@ -435,14 +434,14 @@ class Tax extends \WC_Unit_Test_Case {
 			'2' => '2',
 		);
 
-		$this->assertEquals(\WC_Tax::get_tax_total( $to_total ), '3.665' );
+		$this->assertEquals(WC_Tax::get_tax_total( $to_total ), '3.665' );
 	}
 
 	/**
 	 * Test getting the tax classes.
 	 */
 	public function test_get_tax_classes() {
-		$tax_classes = \WC_Tax::get_tax_classes();
+		$tax_classes = WC_Tax::get_tax_classes();
 
 		$this->assertEquals( $tax_classes, array( 'Reduced Rate', 'Zero Rate' ) );
 	}
@@ -467,7 +466,7 @@ class Tax extends \WC_Unit_Test_Case {
 		);
 
 		// Run function
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
 		$this->assertGreaterThan( 0, $tax_rate_id );
 
@@ -483,7 +482,7 @@ class Tax extends \WC_Unit_Test_Case {
 		$this->assertEquals( $new_row->tax_rate_order, '1' );
 		$this->assertEquals( $new_row->tax_rate_class, '' );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -506,7 +505,7 @@ class Tax extends \WC_Unit_Test_Case {
 		);
 
 		// Run function
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
 		// Update a rate
 		$tax_rate = array(
@@ -514,11 +513,11 @@ class Tax extends \WC_Unit_Test_Case {
 		);
 
 		// Run function
-		\WC_Tax::_update_tax_rate( $tax_rate_id, $tax_rate );
+		WC_Tax::_update_tax_rate( $tax_rate_id, $tax_rate );
 
 		$this->assertNotFalse( $wpdb->last_result );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -541,14 +540,14 @@ class Tax extends \WC_Unit_Test_Case {
 		);
 
 		// Run function
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
 		// Run function
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 
 		$this->assertNotFalse( $wpdb->last_result );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -571,15 +570,15 @@ class Tax extends \WC_Unit_Test_Case {
 		);
 
 		// Run function
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		\WC_Tax::_update_tax_rate_postcodes( $tax_rate_id, $to_save );
+		WC_Tax::_update_tax_rate_postcodes( $tax_rate_id, $to_save );
 
 		$results = $wpdb->get_col( $wpdb->prepare( "SELECT location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d ORDER BY location_code ASC", $tax_rate_id ) );
 
 		$this->assertEquals( array( '12345', '90210', '90211', '90212', '90213', '90214', '90215' ), $results );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 
 	/**
@@ -602,14 +601,14 @@ class Tax extends \WC_Unit_Test_Case {
 		);
 
 		// Run function
-		$tax_rate_id = \WC_Tax::_insert_tax_rate( $tax_rate );
+		$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
 
-		\WC_Tax::_update_tax_rate_cities( $tax_rate_id, $to_save );
+		WC_Tax::_update_tax_rate_cities( $tax_rate_id, $to_save );
 
 		$results = $wpdb->get_col( $wpdb->prepare( "SELECT location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d ORDER BY location_code ASC", $tax_rate_id ) );
 
 		$this->assertEquals( array( 'SOMEWHERE', 'SOMEWHERE_ELSE' ), $results );
 
-		\WC_Tax::_delete_tax_rate( $tax_rate_id );
+		WC_Tax::_delete_tax_rate( $tax_rate_id );
 	}
 }
diff --git a/tests/unit-tests/util/conditional-functions.php b/tests/unit-tests/util/conditional-functions.php
index b76ed7e80f1..5da4d4142fd 100644
--- a/tests/unit-tests/util/conditional-functions.php
+++ b/tests/unit-tests/util/conditional-functions.php
@@ -1,12 +1,11 @@
 <?php
-namespace WooCommerce\Tests\Util;
 
 /**
  * Class Conditional_Functions.
  * @package WooCommerce\Tests\Util
  * @since 2.3.0
  */
-class Conditional_Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Conditional_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test is_store_notice_showing().
diff --git a/tests/unit-tests/util/core-functions.php b/tests/unit-tests/util/core-functions.php
index 5567014857f..05c8f28f1c5 100644
--- a/tests/unit-tests/util/core-functions.php
+++ b/tests/unit-tests/util/core-functions.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\Util;
-
 /**
  * Class Core_Functions.
  * @package WooCommerce\Tests\Util
  * @since 2.2
  */
-class Core_Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Core_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Test get_woocommerce_currency().
@@ -166,4 +164,3 @@ class Core_Functions extends \WC_Unit_Test_Case {
 	}
 
 }
-
diff --git a/tests/unit-tests/util/install.php b/tests/unit-tests/util/install.php
index 8fd47b66ff0..94cf1924618 100644
--- a/tests/unit-tests/util/install.php
+++ b/tests/unit-tests/util/install.php
@@ -1,14 +1,12 @@
 <?php
 
-namespace WooCommerce\Tests\Util;
-
 /**
  * Class WC_Tests_Install.
  * @package WooCommerce\Tests\Util
  *
  * @todo determine if this should be in Util or separate namespace
  */
-class WC_Tests_Install extends \WC_Unit_Test_Case {
+class WC_Tests_Install extends WC_Unit_Test_Case {
 
 	/**
 	 * Test check version.
@@ -16,13 +14,13 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 	public function test_check_version() {
 		update_option( 'woocommerce_version', WC()->version - 1 );
 		update_option( 'woocommerce_db_version', WC()->version );
-		\WC_Install::check_version();
+		WC_Install::check_version();
 
 		$this->assertTrue( did_action( 'woocommerce_updated' ) === 1 );
 
 		update_option( 'woocommerce_version', WC()->version );
 		update_option( 'woocommerce_db_version', WC()->version );
-		\WC_Install::check_version();
+		WC_Install::check_version();
 
 		$this->assertTrue( did_action( 'woocommerce_updated' ) === 1 );
 	}
@@ -39,7 +37,7 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 
 		include( dirname( dirname( dirname( dirname( __FILE__ ) ) ) ) . '/uninstall.php' );
 
-		\WC_Install::install();
+		WC_Install::install();
 
 		$this->assertTrue( get_option( 'woocommerce_version' ) === WC()->version );
 	}
@@ -54,7 +52,7 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 		delete_option( 'woocommerce_checkout_page_id' );
 		delete_option( 'woocommerce_myaccount_page_id' );
 
-		\WC_Install::create_pages();
+		WC_Install::create_pages();
 
 		$this->assertGreaterThan( 0, get_option( 'woocommerce_shop_page_id' ) );
 		$this->assertGreaterThan( 0, get_option( 'woocommerce_cart_page_id' ) );
@@ -73,7 +71,7 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 		delete_option( 'woocommerce_checkout_page_id' );
 		delete_option( 'woocommerce_myaccount_page_id' );
 
-		\WC_Install::create_pages();
+		WC_Install::create_pages();
 
 		$this->assertGreaterThan( 0, get_option( 'woocommerce_shop_page_id' ) );
 		$this->assertGreaterThan( 0, get_option( 'woocommerce_cart_page_id' ) );
@@ -92,7 +90,7 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 		}
 		include( dirname( dirname( dirname( dirname( __FILE__ ) ) ) ) . '/uninstall.php' );
 
-		\WC_Install::create_roles();
+		WC_Install::create_roles();
 
 		$this->assertNotNull( get_role( 'customer' ) );
 		$this->assertNotNull( get_role( 'shop_manager' ) );
@@ -102,7 +100,7 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 	 * Test - remove roles.
 	 */
 	public function test_remove_roles() {
-		\WC_Install::remove_roles();
+		WC_Install::remove_roles();
 
 		$this->assertNull( get_role( 'customer' ) );
 		$this->assertNull( get_role( 'shop_manager' ) );
@@ -113,7 +111,7 @@ class WC_Tests_Install extends \WC_Unit_Test_Case {
 	 */
 	public function test_in_plugin_update_message() {
 		ob_start();
-		\WC_install::in_plugin_update_message( array( 'Version' => '2.0.0' ) );
+		WC_install::in_plugin_update_message( array( 'Version' => '2.0.0' ) );
 		$result = ob_get_clean();
 		$this->assertTrue( is_string( $result ) );
 	}
diff --git a/tests/unit-tests/util/log.php b/tests/unit-tests/util/log.php
index cb81958443a..152ff08b952 100644
--- a/tests/unit-tests/util/log.php
+++ b/tests/unit-tests/util/log.php
@@ -1,12 +1,11 @@
 <?php
-namespace WooCommerce\Tests\Util;
 
 /**
  * Class Log.
  * @package WooCommerce\Tests\Util
  * @since 2.3
  */
-class Log extends \WC_Unit_Test_Case {
+class WC_Tests_Log extends WC_Unit_Test_Case {
 	public function read_content( $handle ) {
 		return file_get_contents( wc_get_log_file_path( $handle ) );
 	}
@@ -17,7 +16,7 @@ class Log extends \WC_Unit_Test_Case {
 	 * @since 2.4
 	 */
 	public function test_add() {
-		$log = new \WC_Logger();
+		$log = new WC_Logger();
 
 		$log->add( 'unit-tests', 'this is a message' );
 
@@ -31,7 +30,7 @@ class Log extends \WC_Unit_Test_Case {
 	 * @since 2.4
 	 */
 	public function test_clear() {
-		$log = new \WC_Logger();
+		$log = new WC_Logger();
 
 		$log->add( 'unit-tests', 'this is a message' );
 		$log->clear( 'unit-tests' );
diff --git a/tests/unit-tests/util/main-class.php b/tests/unit-tests/util/main-class.php
index 273052c03d7..e525c9b9ad4 100644
--- a/tests/unit-tests/util/main-class.php
+++ b/tests/unit-tests/util/main-class.php
@@ -1,12 +1,10 @@
 <?php
 
-namespace WooCommerce\Tests\Util;
-
 /**
  * Class Main_Class.
  * @package WooCommerce\Tests\Util
  */
-class Main_Class extends \WC_Unit_Test_Case {
+class WC_Tests_Main_Class extends WC_Unit_Test_Case {
 
 	/** @var \WooCommerce instance */
 	protected $wc;
@@ -72,4 +70,3 @@ class Main_Class extends \WC_Unit_Test_Case {
 		$this->assertInstanceOf( 'WC_Customer', $this->wc->customer );
 	}
 }
-
diff --git a/tests/unit-tests/util/notice-functions.php b/tests/unit-tests/util/notice-functions.php
index fdaf4363a26..3b43e314d85 100644
--- a/tests/unit-tests/util/notice-functions.php
+++ b/tests/unit-tests/util/notice-functions.php
@@ -1,13 +1,11 @@
 <?php
 
-namespace WooCommerce\Tests\Util;
-
 /**
  * Class Notice_Functions.
  * @package WooCommerce\Tests\Util
  * @since 2.2
  */
-class Notice_Functions extends \WC_Unit_Test_Case {
+class WC_Tests_Notice_Functions extends WC_Unit_Test_Case {
 
 	/**
 	 * Clear out notices after each test.
diff --git a/tests/unit-tests/util/validation.php b/tests/unit-tests/util/validation.php
index 4ca3ccb14bb..f1a5c3e3094 100644
--- a/tests/unit-tests/util/validation.php
+++ b/tests/unit-tests/util/validation.php
@@ -1,21 +1,20 @@
 <?php
-namespace WooCommerce\Tests\Util;
 
 /**
  * Class Validation.
  * @package WooCommerce\Tests\Util
  * @since 2.3
  */
-class Validation extends \WC_Unit_Test_Case {
+class WC_Tests_Validation extends WC_Unit_Test_Case {
 	/**
 	 * Test is_email().
 	 *
 	 * @since 2.3
 	 */
 	public function test_is_email() {
-		$this->assertEquals( 'email@domain.com', \WC_Validation::is_email( 'email@domain.com' ) );
-		$this->assertFalse( \WC_Validation::is_email( 'not a mail' ) );
-		$this->assertFalse( \WC_Validation::is_email( 'http://test.com' ) );
+		$this->assertEquals( 'email@domain.com', WC_Validation::is_email( 'email@domain.com' ) );
+		$this->assertFalse( WC_Validation::is_email( 'not a mail' ) );
+		$this->assertFalse( WC_Validation::is_email( 'http://test.com' ) );
 	}
 
 	/**
@@ -25,11 +24,11 @@ class Validation extends \WC_Unit_Test_Case {
 	 */
 	public function data_provider_test_is_phone() {
 		return array(
-			array( true, \WC_Validation::is_phone( '+00 000 00 00 000' ) ),
-			array( true, \WC_Validation::is_phone( '+00-000-00-00-000' ) ),
-			array( true, \WC_Validation::is_phone( '(000) 00 00 000' ) ),
-			array( false, \WC_Validation::is_phone( '+00.000.00.00.000' ) ),
-			array( false, \WC_Validation::is_phone( '+00 aaa dd ee fff' ) )
+			array( true, WC_Validation::is_phone( '+00 000 00 00 000' ) ),
+			array( true, WC_Validation::is_phone( '+00-000-00-00-000' ) ),
+			array( true, WC_Validation::is_phone( '(000) 00 00 000' ) ),
+			array( false, WC_Validation::is_phone( '+00.000.00.00.000' ) ),
+			array( false, WC_Validation::is_phone( '+00 aaa dd ee fff' ) )
 		);
 	}
 
@@ -50,47 +49,47 @@ class Validation extends \WC_Unit_Test_Case {
 	 */
 	public function data_provider_test_is_postcode() {
 		$generic = array(
-			array( true, \WC_Validation::is_postcode( '99999', 'IT' ) ),
-			array( true, \WC_Validation::is_postcode( '99999', 'IT' ) ),
-			array( true, \WC_Validation::is_postcode( '9999', 'IT' ) ),
-			array( true, \WC_Validation::is_postcode( 'ABC 999', 'IT' ) ),
-			array( true, \WC_Validation::is_postcode( 'ABC-999', 'IT' ) ),
-			array( false, \WC_Validation::is_postcode( 'ABC_123', 'IT' ) )
+			array( true, WC_Validation::is_postcode( '99999', 'IT' ) ),
+			array( true, WC_Validation::is_postcode( '99999', 'IT' ) ),
+			array( true, WC_Validation::is_postcode( '9999', 'IT' ) ),
+			array( true, WC_Validation::is_postcode( 'ABC 999', 'IT' ) ),
+			array( true, WC_Validation::is_postcode( 'ABC-999', 'IT' ) ),
+			array( false, WC_Validation::is_postcode( 'ABC_123', 'IT' ) )
 		);
 
 		$gb = array(
-			array( true, \WC_Validation::is_postcode( 'A9 9AA', 'GB' ) ),
-			array( false, \WC_Validation::is_postcode( '99999', 'GB' ) )
+			array( true, WC_Validation::is_postcode( 'A9 9AA', 'GB' ) ),
+			array( false, WC_Validation::is_postcode( '99999', 'GB' ) )
 		);
 
 		$us = array(
-			array( true, \WC_Validation::is_postcode( '99999', 'US' ) ),
-			array( true, \WC_Validation::is_postcode( '99999-9999', 'US' ) ),
-			array( false, \WC_Validation::is_postcode( 'ABCDE', 'US' ) ),
-			array( false, \WC_Validation::is_postcode( 'ABCDE-9999', 'US' ) )
+			array( true, WC_Validation::is_postcode( '99999', 'US' ) ),
+			array( true, WC_Validation::is_postcode( '99999-9999', 'US' ) ),
+			array( false, WC_Validation::is_postcode( 'ABCDE', 'US' ) ),
+			array( false, WC_Validation::is_postcode( 'ABCDE-9999', 'US' ) )
 		);
 
 		$ch = array(
-			array( true, \WC_Validation::is_postcode( '9999', 'CH' ) ),
-			array( false, \WC_Validation::is_postcode( '99999', 'CH' ) ),
-			array( false, \WC_Validation::is_postcode( 'ABCDE', 'CH' ) )
+			array( true, WC_Validation::is_postcode( '9999', 'CH' ) ),
+			array( false, WC_Validation::is_postcode( '99999', 'CH' ) ),
+			array( false, WC_Validation::is_postcode( 'ABCDE', 'CH' ) )
 		);
 
 		$br = array(
-			array( true, \WC_Validation::is_postcode( '99999-999', 'BR' ) ),
-			array( true, \WC_Validation::is_postcode( '99999999', 'BR' ) ),
-			array( false, \WC_Validation::is_postcode( '99999 999', 'BR' ) ),
-			array( false, \WC_Validation::is_postcode( '99999-ABC', 'BR' ) )
+			array( true, WC_Validation::is_postcode( '99999-999', 'BR' ) ),
+			array( true, WC_Validation::is_postcode( '99999999', 'BR' ) ),
+			array( false, WC_Validation::is_postcode( '99999 999', 'BR' ) ),
+			array( false, WC_Validation::is_postcode( '99999-ABC', 'BR' ) )
 		);
-        
+
         $ca = array(
-            array( true, \WC_Validation::is_postcode( 'A9A 9A9', 'CA' ) ),
-			array( true, \WC_Validation::is_postcode( 'A9A9A9', 'CA' ) ),
-            array( true, \WC_Validation::is_postcode( 'a9a9a9', 'CA' ) ),
-			array( false, \WC_Validation::is_postcode( 'D0A 9A9', 'CA' ) ),
-            array( false, \WC_Validation::is_postcode( '99999', 'CA' ) ),
-            array( false, \WC_Validation::is_postcode( 'ABC999', 'CA' ) ),
-			array( false, \WC_Validation::is_postcode( '0A0A0A', 'CA' ) )
+            array( true, WC_Validation::is_postcode( 'A9A 9A9', 'CA' ) ),
+			array( true, WC_Validation::is_postcode( 'A9A9A9', 'CA' ) ),
+            array( true, WC_Validation::is_postcode( 'a9a9a9', 'CA' ) ),
+			array( false, WC_Validation::is_postcode( 'D0A 9A9', 'CA' ) ),
+            array( false, WC_Validation::is_postcode( '99999', 'CA' ) ),
+            array( false, WC_Validation::is_postcode( 'ABC999', 'CA' ) ),
+			array( false, WC_Validation::is_postcode( '0A0A0A', 'CA' ) )
         );
 
 		return array_merge( $generic, $gb, $us, $ch, $br, $ca );
@@ -113,17 +112,17 @@ class Validation extends \WC_Unit_Test_Case {
 	 */
 	public function data_provider_test_is_GB_postcode() {
 		return array(
-			array( true, \WC_Validation::is_GB_postcode( 'AA9A 9AA' ) ),
-			array( true, \WC_Validation::is_GB_postcode( 'A9A 9AA' ) ),
-			array( true, \WC_Validation::is_GB_postcode( 'A9 9AA' ) ),
-			array( true, \WC_Validation::is_GB_postcode( 'A99 9AA' ) ),
-			array( true, \WC_Validation::is_GB_postcode( 'AA99 9AA' ) ),
-			array( true, \WC_Validation::is_GB_postcode( 'BFPO 801' ) ),
-			array( false, \WC_Validation::is_GB_postcode( '99999' ) ),
-			array( false, \WC_Validation::is_GB_postcode( '9999 999' ) ),
-			array( false, \WC_Validation::is_GB_postcode( '999 999' ) ),
-			array( false, \WC_Validation::is_GB_postcode( '99 999' ) ),
-			array( false, \WC_Validation::is_GB_postcode( '9A A9A' ) )
+			array( true, WC_Validation::is_GB_postcode( 'AA9A 9AA' ) ),
+			array( true, WC_Validation::is_GB_postcode( 'A9A 9AA' ) ),
+			array( true, WC_Validation::is_GB_postcode( 'A9 9AA' ) ),
+			array( true, WC_Validation::is_GB_postcode( 'A99 9AA' ) ),
+			array( true, WC_Validation::is_GB_postcode( 'AA99 9AA' ) ),
+			array( true, WC_Validation::is_GB_postcode( 'BFPO 801' ) ),
+			array( false, WC_Validation::is_GB_postcode( '99999' ) ),
+			array( false, WC_Validation::is_GB_postcode( '9999 999' ) ),
+			array( false, WC_Validation::is_GB_postcode( '999 999' ) ),
+			array( false, WC_Validation::is_GB_postcode( '99 999' ) ),
+			array( false, WC_Validation::is_GB_postcode( '9A A9A' ) )
 		);
 	}
 
@@ -144,12 +143,12 @@ class Validation extends \WC_Unit_Test_Case {
 	 */
 	public function data_provider_test_format_postcode() {
 		return array(
-			array( '99999', \WC_Validation::format_postcode( '99999', 'IT' ) ),
-			array( '99999', \WC_Validation::format_postcode( ' 99999 ', 'IT' ) ),
-			array( '99999', \WC_Validation::format_postcode( '999 99', 'IT' ) ),
-			array( 'ABCDE', \WC_Validation::format_postcode( 'abcde', 'IT' ) ),
-			array( 'AB CDE', \WC_Validation::format_postcode( 'abcde', 'GB' ) ),
-			array( 'AB CDE', \WC_Validation::format_postcode( 'abcde', 'CA' ) )
+			array( '99999', WC_Validation::format_postcode( '99999', 'IT' ) ),
+			array( '99999', WC_Validation::format_postcode( ' 99999 ', 'IT' ) ),
+			array( '99999', WC_Validation::format_postcode( '999 99', 'IT' ) ),
+			array( 'ABCDE', WC_Validation::format_postcode( 'abcde', 'IT' ) ),
+			array( 'AB CDE', WC_Validation::format_postcode( 'abcde', 'GB' ) ),
+			array( 'AB CDE', WC_Validation::format_postcode( 'abcde', 'CA' ) )
 		);
 	}
 
@@ -169,7 +168,7 @@ class Validation extends \WC_Unit_Test_Case {
 	 * @since 2.4
 	 */
 	public function test_format_phone() {
-		$this->assertEquals( '+00-000-00-00-000', \WC_Validation::format_phone( '+00.000.00.00.000' ) );
-		$this->assertEquals( '+00 000 00 00 000', \WC_Validation::format_phone( '+00 000 00 00 000' ) );
+		$this->assertEquals( '+00-000-00-00-000', WC_Validation::format_phone( '+00.000.00.00.000' ) );
+		$this->assertEquals( '+00 000 00 00 000', WC_Validation::format_phone( '+00 000 00 00 000' ) );
 	}
 }