Dev/bc public api phase4 - #23619

Microsoft.VisualStudio.TestTools.UnitTesting.AssertFailedException: Timed out waiting for condition to be met. The hidden browser textbox should be detached once the semantic textbox owns focus.
   at Private.Infrastructure.TestServices.WindowHelper.WaitFor(Func`1 condition, Int32 timeoutMS, String message, String callerMemberName, Int32 lineNumber)
   at Uno.UI.RuntimeTests.Tests.Windows_UI_Xaml_Automation.Given_AccessibleTextBox.When_Accessibility_Is_Enabled_After_Text_Exists_Then_SemanticTyping_Appends_At_Current_Caret()
   at Uno.UI.Samples.Tests.UnitTestsControl.<>c__DisplayClass74_2.<<ExecuteTestsForInstance>g__InvokeTestMethod|5>d.MoveNext()

Microsoft.VisualStudio.TestTools.UnitTesting.AssertFailedException: Assert.IsLessThan failed. Actual value <7> is not less than expected value <7>. 'upperBound' expression: 'firstScroll.LastMaterialized', 'value' expression: 'initial.LastMaterialized'. No extra item materialized after first scroll: index0=7, index=7
   at Microsoft.VisualStudio.TestTools.UnitTesting.Assert.ThrowAssertIsLessThanFailed[Int32](Int32 upperBound, Int32 value, String userMessage)
   at Microsoft.VisualStudio.TestTools.UnitTesting.Assert.IsLessThan[Int32](Int32 upperBound, Int32 value, String message, String upperBoundExpression, String valueExpression)
   at Uno.UI.RuntimeTests.Tests.Windows_UI_Xaml_Controls.Given_ListViewBase.When_Incremental_Load_ShouldStop()
   at Uno.UI.Samples.Tests.UnitTestsControl.<>c__DisplayClass74_2.<<ExecuteTestsForInstance>g__InvokeTestMethod|5>d.MoveNext()

AwesomeAssertions.Execution.AssertionFailedException: Expected value to be less than or equal to 67 because Microsoft.UI.Xaml.Controls.NavigationView;Grid/RootGrid;Microsoft.UI.Xaml.Controls.Grid;StackPanel/TopNavArea;Grid/TopNavTopPadding;Grid/TopNavGrid;Grid/TopNavLeftPadding;ContentControl/PaneHeaderOnTopPane;ContentControl/PaneTitleOnTopPane;Microsoft.UI.Xaml.Controls.ItemsRepeaterScrollHost;Microsoft.UI.Xaml.Controls.ScrollViewer;Button/TopNavOverflowButton;ContentControl/PaneCustomContentOnTopPane;Grid/TopPaneAutoSuggestArea;ContentControl/TopPaneAutoSuggestBoxPresenter;ContentControl/PaneFooterOnTopPane;ItemsRepeater/TopFooterMenuItemsHost;Border/TopNavContentOverlayAreaGrid;SplitView/RootSplitView;Microsoft.UI.Xaml.VisualStateManager;Microsoft.UI.Xaml.Controls.Grid;Grid/ContentRoot;Microsoft.UI.Xaml.Controls.Border;Grid/ContentGrid;Grid/ContentTopPadding;Grid/ContentLeftPadding;ContentControl/HeaderContent;ContentPresenter/ContentPresenter;Button/LightDismissLayer;Grid/PaneRoot;Microsoft.UI.Xaml.Controls.Border;Grid/PaneContentGrid;Grid/ContentPaneTopPadding;Microsoft.UI.Xaml.Controls.Grid;ContentControl/PaneHeaderContentBorder;Grid/AutoSuggestArea;ContentControl/PaneAutoSuggestBoxPresenter;Button/PaneAutoSuggestButton;ContentControl/PaneCustomContentBorder;Grid/ItemsContainerGrid;Microsoft.UI.Xaml.Controls.ItemsRepeaterScrollHost;ScrollViewer/MenuItemsScrollViewer;NavigationViewItemSeparator/VisualItemsSeparator;ContentControl/FooterContentBorder;Microsoft.UI.Xaml.Controls.ItemsRepeaterScrollHost;ScrollViewer/FooterItemsScrollViewer;ElementStub/HCPaneBorder;Grid/ShadowCaster;Grid/PaneToggleButtonGrid;Grid/TogglePaneTopPadding;Grid/ButtonHolderGrid;Button/NavigationViewBackButton;Microsoft.UI.Xaml.VisualStateManager;Grid/RootGrid;AnimatedIcon/Content;Microsoft.UI.Xaml.Controls.Grid;Button/NavigationViewCloseButton;Button/TogglePaneButton;Microsoft.UI.Xaml.VisualStateManager;Grid/LayoutRoot;Microsoft.UI.Xaml.Controls.Border;AnimatedIcon/Icon;Microsoft.UI.Xaml.Controls.Grid;ContentPresenter/ContentPresenter;TextBlock/PaneTitleTextBlock;Grid/PaneTitleHolder;ContentControl/PaneTitlePresenter;Microsoft.UI.Xaml.Controls.NavigationView;Grid/RootGrid;Microsoft.UI.Xaml.Controls.Grid;StackPanel/TopNavArea;Grid/TopNavTopPadding;Grid/TopNavGrid;Grid/TopNavLeftPadding;ContentControl/PaneHeaderOnTopPane;ContentControl/PaneTitleOnTopPane;Microsoft.UI.Xaml.Controls.ItemsRepeaterScrollHost;Microsoft.UI.Xaml.Controls.ScrollViewer;Button/TopNavOverflowButton;ContentControl/PaneCustomContentOnTopPane;Grid/TopPaneAutoSuggestArea;ContentControl/TopPaneAutoSuggestBoxPresenter;ContentControl/PaneFooterOnTopPane;ItemsRepeater/TopFooterMenuItemsHost;Border/TopNavContentOverlayAreaGrid;SplitView/RootSplitView;Microsoft.UI.Xaml.VisualStateManager;Microsoft.UI.Xaml.Controls.Grid;Grid/ContentRoot;Microsoft.UI.Xaml.Controls.Border;Grid/ContentGrid;Grid/ContentTopPadding;Grid/ContentLeftPadding;ContentControl/HeaderContent;ContentPresenter/ContentPresenter;Button/LightDismissLayer;Grid/PaneRoot;Microsoft.UI.Xaml.Controls.Border;Grid/PaneContentGrid;Grid/ContentPaneTopPadding;Microsoft.UI.Xaml.Controls.Grid;ContentControl/PaneHeaderContentBorder;Grid/AutoSuggestArea;ContentControl/PaneAutoSuggestBoxPresenter;Button/PaneAutoSuggestButton;ContentControl/PaneCustomContentBorder;Grid/ItemsContainerGrid;Microsoft.UI.Xaml.Controls.ItemsRepeaterScrollHost;ScrollViewer/MenuItemsScrollViewer;NavigationViewItemSeparator/VisualItemsSeparator;ContentControl/FooterContentBorder;Microsoft.UI.Xaml.Controls.ItemsRepeaterScrollHost;ScrollViewer/FooterItemsScrollViewer;ElementStub/HCPaneBorder;Grid/ShadowCaster;Grid/PaneToggleButtonGrid;Grid/TogglePaneTopPadding;Grid/ButtonHolderGrid;Button/NavigationViewBackButton;Microsoft.UI.Xaml.VisualStateManager;Grid/RootGrid;AnimatedIcon/Content;Microsoft.UI.Xaml.Controls.Grid;Button/NavigationViewCloseButton;Button/TogglePaneButton;Microsoft.UI.Xaml.VisualStateManager;Grid/LayoutRoot;Microsoft.UI.Xaml.Controls.Border;AnimatedIc

Microsoft.VisualStudio.TestTools.UnitTesting.AssertFailedException: Timed out waiting for condition to be met. Outer ScrollViewer should scroll further after adding a new line.
   at Private.Infrastructure.TestServices.WindowHelper.WaitFor(Func`1 condition, Int32 timeoutMS, String message, String callerMemberName, Int32 lineNumber)
   at Uno.UI.RuntimeTests.Tests.Windows_UI_Xaml_Controls.Given_TextBox.When_OuterScrollViewer_BringIntoView_Scrolls_To_Caret()
   at Uno.UI.Samples.Tests.UnitTestsControl.<>c__DisplayClass74_2.<<ExecuteTestsForInstance>g__InvokeTestMethod|5>d.MoveNext()