public void DisposesExpiredItemsWhenDisposingEnabled()
{
var disposable = new CustomDisposable();
var cache = new CacheStorage<string, CustomDisposable>();
cache.DisposeValuesOnRemoval = true;
cache.ExpirationTimerInterval = TimeSpan.FromMilliseconds(250);
cache.Add("disposable", disposable, expiration: TimeSpan.FromMilliseconds(250));
Assert.IsFalse(disposable.IsDiposed);
ThreadHelper.Sleep(750);
Assert.IsTrue(disposable.IsDiposed);
}