protected override void Act()
        {
            firstHandler = ViewModel.DescendentElements(x => x.ConfigurationType == typeof(TestHandlerData)).OfType<CollectionElementViewModel>().Where(
                x => x.Name == "One").Single();

            firstHandler.Select();

            secondHandler = ViewModel.DescendentElements(x => x.ConfigurationType == typeof(TestHandlerData)).OfType<CollectionElementViewModel>().Where(
                x => x.Name == "Two").Single();

            secondHandler.MoveDown.Execute(null);
        }