'The previous "allow" definition for verification was defined as 1, so return that.
Details at https://github.com/edx/edx-platform/pull/14913/files#diff-feff1466ec4d1b8c38894310d8342a80'

@classmethod
def get_group_for_user(cls, course_key, user, user_partition, assign=True):

    return user_partition.get_group(1)
