public IEnumerator TestStartCoroutines()
{
GameObject gameObject = new GameObject();
TestComponent component = gameObject.AddComponent <TestComponent>();
Counter counter = new Counter();
yield return(component.StartCoroutines(IncreaseCountCoroutine(counter),
IncreaseCountCoroutine(counter), IncreaseCountCoroutine(counter)));
Assert.AreEqual(3, counter.count);
}