[Testing] Fix flaky UITests failing sometimes 3

src/Controls/tests/TestCases.HostApp/Controls/NoCaretEntry.cs

@@ -0,0 +1,7 @@
+namespace Maui.Controls.Sample
+{
+	public class NoCaretEntry : Entry
+	{
+
+	}
+}

src/Controls/tests/TestCases.HostApp/Controls/NoCaretEntryHandler.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+
+namespace Maui.Controls.Sample
+{
+	public class NoCaretEntryHandler
+	{
+		public static void RemoveCaret()
+		{
+			Microsoft.Maui.Handlers.EntryHandler.Mapper.AppendToMapping(nameof(NoCaretEntry), (handler, view) =>
+			{
+				if (view is NoCaretEntry)
+				{
+#if ANDROID
+					handler.PlatformView.SetCursorVisible(false);
+#elif IOS
+					handler.PlatformView.TintColor = UIKit.UIColor.Clear;
+#endif
+				}
+			});
+		}
+	}
+}

src/Controls/tests/TestCases.HostApp/Issues/Issue21109.xaml

@@ -2,19 +2,20 @@
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="Maui.Controls.Sample.Issues.Issue21109"
+             xmlns:local="clr-namespace:Maui.Controls.Sample"
              xmlns:controls="clr-namespace:Maui.Controls.Sample.Issues">
   <VerticalStackLayout
      Padding="30,0"
      Spacing="25">
     <Label
       AutomationId="WaitForStubControl"
       Text="ReturnType (Search)" />
-    <Entry
+    <local:NoCaretEntry
       AutomationId="SearchEntry"
       ReturnType="Search" />
     <Label
       Text="Update the ReturnType just typing" />
-    <Entry 
+    <local:NoCaretEntry 
       x:Name="ReturnTypeEntry"
       AutomationId="ReturnTypeEntry"
       TextChanged="OnReturnTypeEntryTextChanged"/>

src/Controls/tests/TestCases.HostApp/MauiProgram.cs

@@ -110,7 +110,7 @@ protected override Window CreateWindow(IActivationState activationState)
 #endif
 
 #endif
-
+			NoCaretEntryHandler.RemoveCaret();
 
 			return window;
 		}