def test_can_create_and_clear_timer_on_user_timer(self):
        assert(self.user.timer is None)
        user_timer = UserTimer(self.user, db)
        timer = user_timer.timer_create()
        assert(self.user.timer is not None)
        assert(timer is not None)
        assert(timer.userId is not None)

        user_timer.timer_clear()
        timer = user_timer.timer_get()
        assert(timer is None)
        assert(user_timer.user.timer is None)