Facing the same issue.
App ignores my sandbox account during test in-app purchases and use my real appleId.
Does anyone know how to switch accounts or is it possible to clear purchase history for that specific Apple ID in TestFlight Sandbox?
plantslover
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution