updateWith() method - duplicate shippingOption ids

## updateWith() method - duplicate shippingOptions ids

Click on each button in sequence from top to bottom without refreshing the page. Each button will bring up the Payment Request UI window.

When the payment sheet is shown, select a different shipping address. If you have to manually abort the test from the payment sheet, then the test has failed.

If you find a buggy test, please file a bug and tag one of the owners.