public void CreateNavigationViewModelWithIsActivityDropTrueAndTypeAllExpectedAllItemsToBeInTree()
{
var viewModel = Init(false, true);
Assert.AreEqual(1, viewModel.ExplorerItemModels[0].Children[0].Children.Count);
Assert.AreEqual(3, viewModel.ExplorerItemModels[0].Children[1].Children.Count);
}