Fix duplicate 'Email has already been taken' message when creating a user
devise :validatable and validates uniqueness set on the user email field cause 2 validations to fire when creating a new user with an email address already in use, Issue 6123
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
devise :validatable and validates uniqueness set on the user email field cause 2 validations to fire when creating a new user with an email address already in use, Issue 6123