[Testing] Fix for flaky tests and Improve stability of screenshot com…

…parisons tests on Catalyst (#26783)

src/Controls/tests/TestCases.Shared.Tests/Tests/ImageButtonUITests.cs

@@ -157,7 +157,6 @@ public void Command()
 	}
 
 	[Test]
-	[FailsOnMacWhenRunningOnXamarinUITest("This test is not working on Mac Catalyst")]
 	public void Padding()
 	{
 		var remote = GoToStateRemote();
@@ -171,7 +170,6 @@ public void Padding()
 	}
 
 	[Test]
-	[FailsOnMacWhenRunningOnXamarinUITest("This test is not working on Mac Catalyst")]
 	public void Padding_Add()
 	{
 		var remote = GoToStateRemote();

src/Controls/tests/TestCases.Shared.Tests/Tests/ImageUITests.cs

@@ -40,7 +40,6 @@ public void Source_FontImageSource()
 #endif
 
 	[Test]
-	[FailsOnMacWhenRunningOnXamarinUITest("This test is not working on Mac Catalyst")]
 	public async Task IsAnimationPlaying()
 	{
 		var remote = GoToStateRemote();

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/XFIssue/Issue3276.cs

@@ -24,7 +24,9 @@ public Issue3276(TestDevice testDevice) : base(testDevice)
 	[Category(UITestCategories.ContextActions)]
 	public void Issue3276Test()
 	{
+		App.WaitForElement(Second);
 		App.Tap(Second);
+		App.WaitForElement(First);
 		App.Tap(First);
 		App.WaitForElement("second 1");
 	}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/XFIssue/Issue7167.cs

@@ -30,13 +30,13 @@ public void Issue7167Test()
 		// App.Print.Tree();
 
 		App.ScrollDown(ListViewId, ScrollStrategy.Auto, 0.65, 200);
-		App.WaitForAnyElement(["20", "40", "60", "80"]);
+		App.WaitForAnyElement(["15", "20", "30", "40", "60", "80"]);
 
 		// when adding additional items via a addrange and a CollectionChangedEventArgs.Action.Reset is sent
 		// then the listview shouldnt reset or it should not scroll to the top
 		App.Tap(AddRangeCommandId);
 
-		App.WaitForAnyElement(["20", "40", "60", "80"]);
+		App.WaitForAnyElement(["15", "20", "30", "40", "60", "80"]);
 	}
 }
 #endif

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/XFIssue/ShellInsets.cs

@@ -132,6 +132,7 @@ public void PaddingWithoutSafeArea()
 		App.EnterText(PaddingEntry, "100");
 		App.WaitForElement(PaddingTest);
 		App.Tap(PaddingTest);
+		App.WaitForElement(PaddingLabel);
 		var somePadding = App.FindElements(PaddingLabel).Count();
 		var somePaddingValue = App.WaitForElement(PaddingLabel).GetRect().Y;
 		Assert.That(somePadding, Is.EqualTo(1));

src/Controls/tests/TestCases.Shared.Tests/UITest.cs

@@ -272,6 +272,9 @@ byte[] TakeScreenshot()
 			// TODO: After take the screenshot, restore the App Window to the previous state.
 			App.ExitFullScreen();
 
+			// Wait a little bit to complete the system animation moving the App Window to previous state.
+			Thread.Sleep(500);
+
 			return screenshotPngBytes;
 		}
 #endif

src/Controls/tests/TestCases.Shared.Tests/ViewContainers/StateViewContainerRemote.cs

@@ -18,6 +18,7 @@ public StateViewContainerRemote(IUIClientContext? testContext, string formsType)
 		public void TapStateButton()
 		{
 			App.Screenshot("Before state change");
+			App.WaitForElementTillPageNavigationSettled(StateButtonQuery);
 			App.Tap(StateButtonQuery);
 			App.Screenshot("After state change");
 		}