add testing instructions for 1.5.0-rc.4

Release-Testing-Instructions-WooCommerce-4.5.md

@@ -1,6 +1,8 @@
 WooCommerce 4.5 includes: 
 
 - [WooCommerce Admin Improvements:](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.5#woocommerce-admin-improvements)
+  - [WCA - New marketing copy for the Kliken Google Ads plugin](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.5#wca---new-marketing-copy-for-the-kilken-google-ads) - added in RC.4
+  - [WCA - Handle user deletion](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.5#wca---handle-user-deletion) - added in RC.4
   - [WCA - Tweak: Remove industry option for travel](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.5#wca---remove-industry-option-for-travel) - added in RC.3
   - [WCA - Fix: Show usage modal when skipping the OBW](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.5#wca---fix-show-usage-modal-when-skipping-the-obw) - added in RC.3
   - [WCA - Fix: Padding on finish, forward, and back buttons on the welcome modal in Safari](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.5#wca---fix-padding-on-finish-forward-and-back-buttons-on-the-welcome-modal-in-safari) - added in RC.3
@@ -25,6 +27,29 @@ WooCommerce 4.5 includes:
 
 ## WooCommerce Admin Improvements
 
+### WCA - Handle user deletion
+
+https://href.li/?https://github.com/woocommerce/woocommerce-admin/pull/4977
+
+- Go to WooCommerce > Customers
+- Choose any customer with a linked name column value and a "sign up" date
+- Go to Users, search for the customer's name
+- Delete user from results
+- Go back to WooCommerce > Customers
+- Verify the customer is no longer found
+
+
+### WCA - New marketing copy for the Kliken Google Ads plugin
+
+https://href.li/?https://github.com/woocommerce/woocommerce-admin/pull/5074
+
+1. Start the onboarding wizard
+2. Set the store's country to outside of the US
+3. Continue to the business details page
+4. Set the product count and 'currently selling elsewhere' dropdowns
+5. The plugins to install will appear. Verify that the Kliken copy matches the screenshot.
+
+
 ### WCA - Remove industry option for travel
 
 https://github.com/woocommerce/woocommerce-admin/pull/5065