test: Add validation for unfocus on empty space

[MartinZikmund]

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Please check if your PR fulfills the following requirements:

• [ ] Docs have been added/updated which fit documentation template (for bug fixes / features)
• [ ] Unit Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
• [ ] Validated PR Screenshots Compare Test Run results.
• [ ] Contains NO breaking changes
• [ ] Associated with an issue (GitHub or internal) and uses the automatic close keywords.
• [ ] Commits must be following the Conventional Commits specification.

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⚠️⚠️ The build 171025 has failed on Uno.UI - CI.

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The build 171033 found UI Test snapshots differences: android-28-net8: 29, android-28-net8-Snap: 53, ios: 5, ios-Snap: 48, skia-linux-screenshots: 69, skia-windows-screenshots: 682, wasm: 41, wasm-automated-net9.0-WinUI-Benchmarks-automated: 0, wasm-automated-net9.0-WinUI-Default-automated: 13, wasm-automated-net9.0-WinUI-RuntimeTests-0: 0, wasm-automated-net9.0-WinUI-RuntimeTests-1: 0, wasm-automated-net9.0-WinUI-RuntimeTests-2: 0

Details

• android-28-net8: 29 changed over 825

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • DecimalFormatterTest_UITests_Shared_Microsoft_UI_Xaml_Controls_NumberBoxTests_NumberBoxPage
  • Detereminate_ProgressRing_Validation75_[#FF0000_#008000_#008000_#008000]_Progress-Ring-Value-75
  • Detereminate_ProgressRing_Validation50_[#FF0000_#008000_#008000_#FF0000]_Progress-Ring-Value-50
  • LoadEmptyContentControl_CContentControl
  • LoadEmptyContentControl_ContentControlNoTemplateNoContent_-_bntContentClear
  • ListView_SelectedItems_SamplesApp_Windows_UI_Xaml_Controls_ListView_ListViewSelectedItems
  • UpDownEnabledTest_UITests_Shared_Microsoft_UI_Xaml_Controls_NumberBoxTests_NumberBoxPage
  • SequentialAnimations_SamplesApp_Windows_UI_Xaml_Media_Animation_SequentialAnimationsPage
  • When_Bound_To_GlobalThemedResources_UITests_Shared_Windows_UI_Xaml_ThemeResources_AppXamlDefinedResources
  • When_ExtendedSelectionWithoutItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • When_BitmapIcon_Generic_Changed
  • When_NoSelectionWithItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • When_NoSelection_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • When_Parent_PointerMoved_After_drag_on_non-scrolling_ScrollViewer
  • When_Parent_PointerMoved_After_drag_on_ScrollViewer_-_touch
  • FlyoutTest_Unloaded_UITests_Shared_Windows_UI_Xaml_Controls_Flyout_Flyout_Unloaded
  • SelectionTest_UITests_Microsoft_UI_Xaml_Controls_RadioButtonsTests_RadioButtonsPage
  • When_SingleSelectionWithItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • When_SingleSelectionWithoutItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • When_Tap_PressedReleasedAreHandled_UITests_Windows_UI_Xaml_Controls_ComboBox_ComboBox_Pointers

• android-28-net8-Snap: 53 changed over 1074

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • NavigationView_MUXControlsTestApp_NavigationViewRS4Page_MUXControlsTestApp_NavigationViewRS4Page
  • TextBox_TextBox_Header_Uno_UI_Samples_Content_UITests_TextBoxControl_TextBox_Header
  • Border_Simple_with_Radius_Uno_UI_Samples_UITests_BorderTestsControl_Simple_with_Radius
  • RatingControl_UITests_Microsoft_UI_Xaml_Controls_RatingControlTests_RatingControlPage_UITests_Microsoft_UI_Xaml_Controls_RatingControlTests_RatingControlPage
  • TabView_UITests_Microsoft_UI_Xaml_Controls_TabViewTests_TabViewPage_UITests_Microsoft_UI_Xaml_Controls_TabViewTests_TabViewPage
  • TextBox_Multiline_TextBox_In_ScrollViewer_Uno_UI_Samples_Content_UITests_TextBoxControl_Multiline_TextBox_In_ScrollViewer
  • TextBox_PasswordBox_AutoFill_Uno_UI_Samples_Content_UITests_TextBoxControl_PasswordBox_AutoFill
  • TextBox_TextBox_DefaultTextBoxStyle_Uno_UI_Samples_Content_UITests_TextBoxControl_TextBox_DefaultTextBoxStyle
  • Border_Border_CornerRadius_Alignments_Uno_UI_Samples_UITests_BorderTestsControl_Border_CornerRadius_Alignments
  • Border_Border_CornerRadius_Clipping_UITests_Windows_UI_Xaml_Controls_BorderTests_Border_CornerRadius_Clipping
  • Border_Uniform_Thickness_and_Large_Radius_Uno_UI_Samples_UITests_BorderTestsControl_Uniform_Thickness_and_Large_Radius
  • Brushes_Uno_UI_Samples_UITests_ImageBrushTestControl_Ellipse_Uno_UI_Samples_UITests_ImageBrushTestControl_Ellipse
  • Scrolling_MUXControlsTestApp_ScrollViewWithRTLFlowDirectionPage_MUXControlsTestApp_ScrollViewWithRTLFlowDirectionPage
  • Scrolling_MUXControlsTestApp_ScrollViewWithScrollControllersPage_MUXControlsTestApp_ScrollViewWithScrollControllersPage
  • TextBox_TextBox_Keyboard_Dismiss_Uno_UI_Samples_Content_UITests_TextBoxControl_TextBox_Keyboard_Dismiss
  • TextBox_TextBox_Padding_In_Style_Uno_UI_Samples_Content_UITests_TextBoxControl_TextBox_Padding_In_Style
  • Transform_Basics_UITests_Shared_Windows_UI_Xaml_Media_Transform_Basics
  • SwipeControl_MUXControlsTestApp_SwipeControlPage2_MUXControlsTestApp_SwipeControlPage2
  • Border_AutoBorderStretchwithbottommargin_Uno_UI_Samples_UITests_BorderTestsControl_AutoBorderStretchwithbottommargin
  • Border_Border_CornerRadius_BorderThickness_UITests_Windows_UI_Xaml_Controls_BorderTests_Border_CornerRadius_BorderThickness

• ios: 5 changed over 256

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • ProgressRing_IsEnabled_Running_UITests_Windows_UI_Xaml_Controls_ProgressRing_WindowsProgressRing_GH1220
  • ProgressRing_Visibility_Collapsed_UITests_Windows_UI_Xaml_Controls_ProgressRing_WindowsProgressRing_GH1220
  • SequentialAnimations_SamplesApp_Windows_UI_Xaml_Media_Animation_SequentialAnimationsPage
  • When_SingleSelectionWithoutItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • Check_ListView_Swallows_Measure_UITests_Shared_Windows_UI_Xaml_Controls_ListView_ListView_With_ListViews_Count_Measure

• ios-Snap: 48 changed over 991

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • Brushes_ImageBrushWithCompositeTransform_Uno_UI_Samples_UITests_ImageBrushTestControl_ImageBrushWithCompositeTransform
  • Brushes_ImageBrushStretch2_Uno_UI_Samples_UITests_ImageBrushTestControl_ImageBrushStretch2
  • Buttons_Hyperlink_CanExecute_False_nVentive_Umbrella_Views_UI_Samples_Content_UITests_ButtonTestsControl_Hyperlink_CanExecute_False
  • GridView_GenericApp_Views_Samples_Shared_Content_UITests_GridViewGrouped_GenericApp_Views_Samples_Shared_Content_UITests_GridViewGrouped
  • Microsoft_UI_Xaml_Media_UITests_Windows_UI_Xaml_Media_ThemeShadowTests_ThemeShadow_Basic_UITests_Windows_UI_Xaml_Media_ThemeShadowTests_ThemeShadow_Basic
  • Microsoft_UI_Xaml_Media_UITests_Windows_UI_Xaml_Media_ThemeShadowTests_ThemeShadow_Overlap_UITests_Windows_UI_Xaml_Media_ThemeShadowTests_ThemeShadow_Overlap
  • ListView_ListView_KeyboardInterception_UITests_Windows_UI_Xaml_Controls_ListView_ListView_KeyboardInterception
  • Brushes_ImageBrushWithScaleTransform_Uno_UI_Samples_UITests_ImageBrushTestControl_ImageBrushWithScaleTransform
  • Brushes_GenericApp_Views_Content_UITests_ImageBrushTestControl_BorderImageBrushRelativeTransform_GenericApp_Views_Content_UITests_ImageBrushTestControl_BorderImageBrushRelativeTransform
  • Default_SamplesApp_Wasm_Windows_UI_Xaml_Controls_ListView_ListView_IsSelected_SamplesApp_Wasm_Windows_UI_Xaml_Controls_ListView_ListView_IsSelected
  • Icons_UITests_Microsoft_UI_Xaml_Controls_ImageIconTests_ImageIconPage_UITests_Microsoft_UI_Xaml_Controls_ImageIconTests_ImageIconPage
  • Grid_CenteredGridinGridwiththreefixedsizechildren_Uno_UI_Samples_Content_UITests_GridTestsControl_CenteredGridinGridwiththreefixedsizechildren
  • Image_UITests_Shared_Windows_UI_Xaml_Controls_ImageTests_Image_Stretch_Algmnt_Inf_Horizontal_UITests_Shared_Windows_UI_Xaml_Controls_ImageTests_Image_Stretch_Algmnt_Inf_Horizontal
  • Image_UITests_Shared_Windows_UI_Xaml_Controls_ImageTests_Image_Stretch_Algmnt_Inf_Vertical_UITests_Shared_Windows_UI_Xaml_Controls_ImageTests_Image_Stretch_Algmnt_Inf_Vertical
  • NavigationView_NavigationView_Tapped_UITests_Shared_Windows_UI_Xaml_Controls_NavigationViewTests_NavigationView_Tapped
  • Image_UITests_Shared_Windows_UI_Xaml_Controls_ImageTests_Image_Stretch_Alignment_SizeOnControl_UITests_Shared_Windows_UI_Xaml_Controls_ImageTests_Image_Stretch_Alignment_SizeOnControl
  • TextBox_TextBox_Disabled_State_Uno_UI_Samples_Content_UITests_TextBoxControl_TextBox_Disabled_State
  • ContentControl_ContentControl_Nested_TemplatedParent_Uno_UI_Samples_Content_UITests_ContentControlTestsControl_ContentControl_Nested_TemplatedParent
  • Image_Uno_UI_Samples_UITests_Image_Image_Stretch_Uno_UI_Samples_UITests_Image_Image_Stretch
  • Performance_UITests_Windows_UI_Xaml_Performance_Performance_1000ButtonsContinuousRendering_UITests_Windows_UI_Xaml_Performance_Performance_1000ButtonsContinuousRendering

• skia-linux-screenshots: 69 changed over 2280

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • ButtonClippingTestsControl.png-dark
  • ClipboardTests.png-dark
  • ClipboardTests.png
  • Buttons.png
  • Gamepad_CurrentReading.png-dark
  • Gamepad_CurrentReading.png
  • Gamepad_Enumeration.png-dark
  • Gamepad_Enumeration.png
  • ImagesInlineInFlipView.png-dark
  • ImagesInlineInFlipView.png
  • DoubleImageBrushInList.png-dark
  • DoubleImageBrushInList.png
  • DropDownButtonPage.png-dark
  • DropDownButtonPage.png
  • ImageBrushInList.png-dark
  • ImageBrushInList.png
  • ImageBrushAlignmentXY2.png-dark
  • ImageBrushAlignmentXY2.png
  • Buttons.png-dark
  • DisplayInformation.png-dark

• skia-windows-screenshots: 682 changed over 2280

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • AndroidWindowInsets.png
  • AnimatedIconPage.png
  • ApplicationViewSizing.png-dark
  • AppWindowClosing.png-dark
  • AppWindowPresenters.png
  • AutoSuggestBox_Description.png-dark
  • AutoSuggestBox_Description.png
  • BitmapIcon_Monochromatic.png
  • BitmapIcon_Sizing.png-dark
  • BorderWithNullBrushAndNonZeroThickness.png-dark
  • BorderWithNullBrushAndNonZeroThickness.png
  • BreadcrumbBarPage.png-dark
  • BreadcrumbBarPage.png
  • Capture with overlap.png-dark
  • ComboBox_Dropdown_Background_4418.png-dark
  • ContentDialog_Dialogs.png-dark
  • ContentDialog_Dialogs.png
  • ContentDialog_Simple.png-dark
  • ContentDialog_Simple.png
  • ElevatedView_Dimensions.png-dark

• wasm: 41 changed over 1056

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • SamplesApp.Windows_UI_Xaml_Controls.ListView.ListView_Inside_ListView
  • UITests.Microsoft_UI_Xaml_Controls.RadioButtonsTests.RadioButtonsBasicPage
  • UITests.Shared.Windows_UI_Xaml_Controls.Buttons_Native
  • GenericApp.Views.Samples.Shared.Content.UITests.GridViewMultipleSelectionMode
  • SamplesApp.Windows_UI_Xaml_Controls.ListView.ListView_Padding_Unconstrained
  • MUXControlsTestApp.ExtraCommandBarFlyoutPage
  • SamplesApp.Wasm.Windows_UI_Xaml_Controls.ComboBox.ComboBox_PlaceholderText
  • SamplesApp.Windows_UI_Xaml_Controls.ListView.ListView_TextBox
  • UITests.Windows_UI_Xaml_Controls.BorderTests.BorderWithNullBrushAndNonZeroThickness
  • UITests.Windows_UI_Xaml_Controls.ImageTests.SvgImageSource_FromMsAppData
  • UITests.Windows_UI_Xaml_Controls.ImageTests.SvgImageSource_FromStream
  • UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests.Expander_ScrollView
  • UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests.WinUIExpanderPage
  • UITests.Shared.Windows_UI_Xaml_Controls.ComboBox.ComboBox_ComboBoxItem_Selection
  • Uno.UI.Samples.Content.UITests.FocusTests.FocusManagerTest
  • SamplesApp.Windows_UI_Xaml_Controls.ListView.ListView_Image
  • Uno.UI.Samples.Content.UITests.ButtonTestsControl.RadioButton_Multiple_Unnamed_Groups
  • UITests.Shared.Windows_UI.Xaml_Automation.AutomationProperties_AutomationId
  • UITests.Windows_UI_Xaml_Controls.ListView.ListView_DisplayMemberPath
  • UITests.Windows_UI_Xaml_Controls.ListView.ListView_DuplicateItem

• wasm-automated-net9.0-WinUI-Benchmarks-automated: 0 changed over 1

• wasm-automated-net9.0-WinUI-Default-automated: 13 changed over 877

  🚨🚨 Comparison Details (first 20) 🚨🚨

  • When_SingleSelectionWithoutItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • Default_StrokeThickness_MyPath
  • When_NoSelectionWithItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • Default_StrokeThickness_MyPolygon
  • Default_StrokeThickness_MyRect
  • When_NoSelection_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • When_MultipleSelectionWithoutItemClick_Then_PointersEvents_UITests_Windows_UI_Xaml_Controls_ListView_ListView_Selection_Pointers
  • Default_StrokeThickness_MyEllipse
  • Default_StrokeThickness_MyPolyline
  • TestProgressRing_InitialState_UITests_Microsoft_UI_Xaml_Controls_ProgressRing_WinUIProgressRing_Features
  • Default_StrokeThickness_MyLine
  • ListView_SelectedItems_SamplesApp_Windows_UI_Xaml_Controls_ListView_ListViewSelectedItems
  • When_TransformToVisual_ScrollViewer_UITests_Shared_Windows_UI_Xaml_UIElementTests_TransformToVisual_ScrollViewer

• wasm-automated-net9.0-WinUI-RuntimeTests-0: 0 changed over 1

• wasm-automated-net9.0-WinUI-RuntimeTests-1: 0 changed over 1

• wasm-automated-net9.0-WinUI-RuntimeTests-2: 0 changed over 1