When we proceed while entering all the information of the credit card. it will reload the page and no message display either the payment is successful or not.
Test information:
card number: 4084 1608 5477 8985
name: Jewell Castro
pin: 5733
Expiry date: 8/2024

No email received as new user signup to the customer nor for the payment. And user is created at the back end.