public IEnumerator Playing_IsBirdFlyingWhenRunFlying()
{
GameManager._instance.SetState(SystemDefine.EGameState.Playing);
bird.Flying();
bird.Flying();
bird.Flying();
bird.Flying();
yield return(null);
yield return(null);
yield return(null);
Assert.AreNotEqual(BirdManager._instance.GetBirdFirstPos(), bird.GetBirdPos());
}