Android In-App Billing: Purchasing real items with test accounts without spending money? -

I have already tested my app billing code using a steady response code, but I'll take the next step I'm taking with my real app id

I have configured Aids in Google Play. My test accounts are set up. I

When I try to start a test, I am asked to provide credit card information ... is it going to charge me money ?

I hope the test account is used by a fake CC such as the stable Scass

During testing, you have to input a real CC as you said. When I tested in my app, I just went to my Developer Console and canceled the order by killing the "Cancel Complete Order" button. By doing so the money was returned to my card.