Fix UI tests

Author: albyrock87

src/Controls/tests/TestCases.Mac.Tests/snapshots/mac/CarouselViewItemsShouldRenderVertically.png

@@ -1,4 +1,6 @@
-using NUnit.Framework;
+#if TEST_FAILS_ON_WINDOWS
+
+using NUnit.Framework;
 using UITest.Appium;
 using UITest.Core;
 
@@ -19,8 +21,13 @@ public void LineBreakModeInCarouselViewShouldWork()
 		App.WaitForElement("dotnetbot3");
 		App.WaitForElement("dotnetbot4");
 
-		App.ScrollRight("MyCarousel", swipePercentage: 0.7, swipeSpeed: 200);
+		App.ScrollRight("MyCarousel", swipePercentage: 0.9, swipeSpeed: 200);
 
-		App.WaitForTextToBePresentInElement("ItemLabel", "Item 2");
+		if (!App.WaitForTextToBePresentInElement("ItemLabel", "Item 2"))
+		{
+			Assert.Fail("Item 2 not found");
+		}
 	}
-}
+}
+
+#endif

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28930.cs

@@ -1,5 +1,6 @@
 using System.Collections.Immutable;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.Drawing;
 using OpenQA.Selenium.Appium;
 using OpenQA.Selenium.Appium.Android.Enums;
@@ -91,6 +92,20 @@ public static void PressDown(this IApp app, string element)
 			return (string?)response.Value;
 		}
 
+		public static bool TryGetText(this IUIElement element, [NotNullWhen(true)] out string? text)
+		{
+			try
+			{
+				text = GetText(element);
+				return text != null;
+			}
+			catch
+			{
+				text = null;
+				return false;
+			}
+		}
+
 		public static string? ReadText(this IUIElement element)
 			=> element.GetText();
 
@@ -799,7 +814,8 @@ public static bool WaitForTextToBePresentInElement(this IApp app, string automat
 			while (true)
 			{
 				var element = app.FindElements(automationId).FirstOrDefault();
-				if (element != null && (element.GetText()?.Contains(text, StringComparison.OrdinalIgnoreCase) ?? false))
+				
+				if (element != null && element.TryGetText(out var s) && s.Contains(text, StringComparison.OrdinalIgnoreCase))
 				{
 					return true;
 				}