如何测试应用内购买的苹果支付功能？

I am developing an iOS app with Apple Pay payment facility. I wanna test it. But for the same it is asking to enter a valid card details in wallet. Now I am having doubt while testing the same if it deducts any amount from my card then it would me lossy for me. Can someone guide me for how to test the same?I am developing an iOS app with Apple Pay payme