Skip flaky test for now.

tests/Avalonia.IntegrationTests.Appium/WindowTests_MacOS.cs

@@ -151,7 +151,7 @@ namespace Avalonia.IntegrationTests.Appium
             Assert.Equal("Normal", windowState.Text);
         }
 
-        [PlatformFact(TestPlatforms.MacOS)]
+        [PlatformFact(TestPlatforms.MacOS, Skip = "Flaky test, skip for now")]
         public void Does_Not_Switch_Space_From_FullScreen_To_Main_Desktop_When_FullScreen_Window_Clicked()
         {
             // Issue #9565