Updating testing instructions

Author: mikejolley

docs/testing/releases/440.md

@@ -1,6 +1,6 @@
 ## Testing notes and ZIP for release 4.4.0
 
-Zip file for testing: [woocommerce-gutenberg-products-block.zip](https://github.com/woocommerce/woocommerce-gutenberg-products-block/files/5911041/woocommerce-gutenberg-products-block.zip)
+Zip file for testing: [woocommerce-gutenberg-products-block.zip](https://github.com/woocommerce/woocommerce-gutenberg-products-block/files/5918701/woocommerce-gutenberg-products-block.zip)
 
 ## Feature plugin and package inclusion in WooCommerce core
 
@@ -84,3 +84,13 @@ This can only be tested with Subscriptions.
 2. Add a subscription with free trial and signup fee to your cart.
 3. Go to the Cart block and verify the free trial and signup fee details are rendered.
 4. Open the Cart shortcode and verify free trial and signup fee metadata is not rendered.
+
+### Changes to cart and checkout for Subscriptions (misc PRs)
+
+This is a regression test due to the changes made for Subscriptions Integration.
+
+1. On the cart page, use the shipping calculator.
+   - Confirm your address is populated in the shipping calculated fields.
+   - When updating your address, confirm the shipping rates update.
+2. Enter an address that has no rates. Ensure an error notice is shown in the cart shipping package "No shipping options were found.".
+3. Place an order. Confirm details persist.