For Alipay payment method there aren’t any test data available, but you can see how it works with the payment flow given below.
Alipay POS Payment Flow
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The Customer selects his preferred currency from the list and continues the payment.

You can skip this step by sending in the initial POST the following parameters: SkipHPP=1 and CustomerEmail.
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The Customer is redirected to Alipay payment page. The Customer opens Alipay application and scans the QR code.

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The payment details are displayed and the customer confirms the payment.

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Upon completion of the payment flow, the customer is redirected back to your ReturnURL.
