public IEnumerator TestDoBefore()
{
var done = false;
Coroutines.RepeatWhile(() => false, () => done = true).Start();
Assert.IsFalse(done);
yield return(null);
yield return(null);
Assert.IsFalse(done);
var called = false;
Coroutines.DoBefore(() => done = true, Coroutines.RepeatWhile(() => false, () => called = true)).Start();
Assert.IsFalse(called);
Assert.IsTrue(done);
yield return(null);
yield return(null);
Assert.IsFalse(called);
}