mark heading in docs

plugins/woocommerce-blocks/docs/testing/cart-checkout/coupons.md

@@ -14,11 +14,11 @@ You will need to setup some types of coupon in order to test this.
 
 ## What to test
 
-With coupons disabled:
+With coupons disabled: <!-- heading -->
 
 - [ ] You should not see the add coupon section in your cart and checkout and in the editor.
 
-With coupons enabled:
+With coupons enabled: <!-- heading -->
 
 - [ ] You can apply coupons in both Cart and Checkout blocks.
 - [ ] A valid coupon `coupon` should reduce your totals.

plugins/woocommerce-blocks/docs/testing/cart-checkout/payment.md

@@ -28,12 +28,12 @@ Unsupported:
 
 ## What to test
 
-If no payment method is set up:
+If no payment method is set up: <!-- heading -->
 
 - [ ] An error will show up in the frontend, saying that no payment method is available.
 - [ ] In the editor, you will be prompted to set up a payment method.
 
-If you have a payment method available:
+If you have a payment method available: <!-- heading -->
 
 - [ ] You should be able to perform a successful checkout with Check payments.
 - [ ] You should be able to perform a successful checkout credit card payment using this cart `4242424242424242`

plugins/woocommerce-blocks/docs/testing/cart-checkout/shipping.md

@@ -10,7 +10,7 @@
 
 ## What to test
 
-With shipping zones available:
+With shipping zones available: <!-- heading -->
 
 - [ ] You should be able to see preview rates (that are not your actual rates) in the editor.
 - [ ] You should be able to see your actual rates on the frontend.
@@ -26,12 +26,12 @@ With shipping zones available:
 - [ ] The rate you select in Cart should still be selected in Checkout.
 - [ ] Updating your shipping address in Checkout should give you live updates about rates in your cart.
 
-If you don't have any shipping zones set up and/or shipping is disabled:
+If you don't have any shipping zones set up and/or shipping is disabled: <!-- heading -->
 
 - [ ] You should only see the billing form in both editor and frontend for the Checkout Block.
 - [ ] The shipping options step should not be visible.
 - [ ] The shipping cost should not be visible in the sidebar.
 
-If you don't have any shipping zones set up but **shipping is enabled**:
+If you don't have any shipping zones set up but **shipping is enabled**: <!-- heading -->
 
 - [ ] In the editor, Checkout Block will show you a placeholder promoting you to set up shipping zones.

plugins/woocommerce-blocks/docs/testing/cart-checkout/taxes.md

@@ -8,11 +8,11 @@
 
 ## What to test
 
-With taxes disabled:
+With taxes disabled: <!-- heading -->
 
 - [ ] You should not see "Taxes" line in the cart or checkout.
 
-With taxes enabled:
+With taxes enabled: <!-- heading -->
 
 - [ ] You should see "Taxes" line in the cart or checkout.
 - [ ] If the user address or store settings country doesn't have taxes in it, the value will be 0.