public void ExtendedReadOnlyObservableCollection_OnSourcePropertyChanged2()
        {
            using (var verify = new Verify())
            {
                var list           = new NotifierCollection();
                var result         = new ReadOnlyObservableCollectionExtended <Notifier>(list);
                var propertyAssert = new PropertyChangedEventTest(verify, result);

                list.RaisePropertyName("");

                propertyAssert.ExpectEvent("");
            }
        }
        public void ExtendedReadOnlyObservableCollection_OnSourcePropertyChanged2()
        {
            using (var verify = new Verify())
            {
                var list = new NotifierCollection();
                var result = new ReadOnlyObservableCollectionExtended<Notifier>(list);
                var propertyAssert = new PropertyChangedEventTest(verify, result);

                list.RaisePropertyName("");

                propertyAssert.ExpectEvent("");
            }
        }