public void TestDelete_BackSpace() { dashboardVM.Mode = DashboardMode.Edit; var first = dashboardVM.ViewModels.First(); dashboardVM.Select(first); App.Current.KeyContextManager.HandleKeyPressed(App.Current.Keyboard.ParseName("Delete")); Assert.AreEqual(6, dashboardVM.ViewModels.Count); CollectionAssert.DoesNotContain(dashboardVM.ViewModels, first); }