public void CountDown_Callback_Is_Call_When_Timer_Reach_Goal(float _amount)
{
bool countDownIsFinished = false;
Countdown countDown = new Countdown(new Timer(), _amount);
countDown.OnCountDownFinished = () => countDownIsFinished = true;
countDown.Add(_amount);
Assert.IsTrue(countDownIsFinished);
}
private void Update()
{
countdown.Add(Time.deltaTime);
}