Release testing instructions for WC Payments 3.4.0

Allow UI customizations below checkout payment fields, using WCPay

Expected outcome

Below the checkout payment fields, there should be some green text that reads: "Thank you for your purchase".

Testing instructions

1. From the admin perspective (wp-admin), click on the WCPay Dev menu item.
2. Make sure Enable UPE checkout is not checked.
3. Go to Snippets (requires Code Snippets plugin) and click Add New.
4. Enter any title and paste the following code snippet in the Code section:

add_action('wcpay_payment_fields_wcpay', function ($id) {
  echo "<div style='color: green;'>Thank you for your purchase</div>";
});

5. Click Save Changes.
6. From the customer perspective, go to the Shop, add some product to your cart, and go to Checkout.
7. Observe the Expected outcome.

Allow UI customizations below checkout payment fields, using UPE

Expected outcome

Below the checkout payment fields, there should be some purple text that reads: "Thank you for your purchase".

Testing instructions

1. From the admin perspective (wp-admin), click on the WCPay Dev menu item.
2. Make sure Enable UPE checkout is checked.
3. Go to Snippets (requires Code Snippets plugin) and click Add New.
4. Enter any title and paste the following code snippet in the Code section:

add_action('wcpay_payment_fields_upe', function ($id) {
  echo "<div style='color: purple;'>Thank you for your purchase</div>";
});

5. Click Save Changes.
6. From the customer perspective, go to the Shop, add some product to your cart, and go to Checkout.
7. Observe the Expected outcome.

Fix incorrect amounts on the payment request button for zero decimal currencies

Expected outcome

Price shown on the payment request button for zero decimal currencies like Japanese Yen should match the actual amount of the product

Testing instructions

1. Add Japanese yen to the list of currencies in WooCommerce -> Settings -> Multi-currency
2. Enable express checkout from Payments -> Settings -> Enable express checkouts
3. As a customer, under My Account > Account Details, switch the currency to JPY and save. (Or use currency switcher widget)
4. Go to a product page
5. Click the payment request button
6. Ensure that the prices shown matches the correct amount for the product