def METHOD_NAME(self):
    detail = file_comment_msg_to_json(self.repo.id, self.file,
                                      self.user.username, 'test comment')
    notice = UserNotification.objects.add_file_comment_msg('a@a.com', detail)
    msg = notice.format_file_comment_msg()
    assert msg is not None
    assert 'new comment from user' in msg