This isn't recommended. Also, presumably by end-to-end you meant post auth business flow too. Such as reconciliation, settlement, generating tax receipts, invoices etc.,
In general, all the data in production should be real, as much as possible.
If the amount is big (e.g., say jewellery story) then figure out a way to recoup/refund the money out of band in a way that leaves no trace in production system. E.g., reimburse it, put it under QA budget or some such.
This isn't recommended. Also, presumably by end-to-end you meant post auth business flow too. Such as reconciliation, settlement, generating tax receipts, invoices etc.,
In general, all the data in production should be real, as much as possible.
If the amount is big (e.g., say jewellery story) then figure out a way to recoup/refund the money out of band in a way that leaves no trace in production system. E.g., reimburse it, put it under QA budget or some such.