This PR changes the register endpoints to use the native ActiveRecord validation methods instead of the "validate_create_user" endpoint. The messages have been changed in the tests to reflect the messages ActiveRecord generates. Shouldn't affect the simulator as it doesn't actually care about the message.
This PR changes the register endpoints to use the native ActiveRecord validation methods instead of the "validate_create_user" endpoint. The messages have been changed in the tests to reflect the messages ActiveRecord generates. Shouldn't affect the simulator as it doesn't actually care about the message.