public void AddedNodeIsSelected() { WaitLoad(); _frame.RunDispatcher(); var firstPath = _paths.AllPathIds.Any() ? _paths.AllPathIds.First() : -1; var pathStrings = _paths.GetPathStrings(firstPath); var libraryFileNode = new LibraryFileNode(_frame.Dispatcher, _eventAggregator) { Path = pathStrings }; _view.AddNode(libraryFileNode); Assert.That(_view.SelectedItem, Is.SameAs(libraryFileNode)); }