public void ExtendedObservableCollection_ConstructorTest3()
        {
            using (var verify = new Verify())
            {
                var weakNotifier = new WeakNotifier();
                var notifier = new Notifier();
                var temp = new[] { notifier, weakNotifier };

                var result = new ObservableCollectionExtended<object>(temp.AsEnumerable());

                ConstructorAssertions(verify, result, weakNotifier, notifier);
            }
        }