[testing] These Semantic tests seem to fail often on MacCatalyst (dot…

…net#25408)

* [tests] Skip semantic tests on iOS

* [testing] Skip on MACCATALYST

* Update HandlerTestBaseOfT.Tests.cs

src/Core/tests/DeviceTests.Shared/HandlerTests/HandlerTestBaseOfT.Tests.cs

@@ -78,7 +78,11 @@ public virtual async Task SetVisibility(Visibility visibility)
 			Assert.Equal(view.Visibility, id);
 		}
 
-		[Fact(DisplayName = "Setting Semantic Description makes element accessible")]
+		[Fact(DisplayName = "Setting Semantic Description makes element accessible"
+#if MACCATALYST
+			, Skip = "This test fails sometimes on MACCATALYST"
+#endif			
+		)]
 		public async virtual Task SettingSemanticDescriptionMakesElementAccessible()
 		{
 			var view = new TStub();
@@ -96,7 +100,11 @@ public async virtual Task SettingSemanticDescriptionMakesElementAccessible()
 			Assert.True(important);
 		}
 
-		[Fact(DisplayName = "Setting Semantic Hint makes element accessible")]
+		[Fact(DisplayName = "Setting Semantic Hint makes element accessible"
+#if MACCATALYST
+			, Skip = "This test fails sometimes on MACCATALYST"
+#endif			
+		)]
 		public async virtual Task SettingSemanticHintMakesElementAccessible()
 		{
 			var view = new TStub();
@@ -117,6 +125,8 @@ public async virtual Task SettingSemanticHintMakesElementAccessible()
 		[Fact(DisplayName = "Semantic Description is set correctly"
 #if ANDROID
 			, Skip = "This value can't be validated through automated tests"
+#elif MACCATALYST
+			, Skip = "This test fails sometimes on MACCATALYST"
 #endif
 		)]
 		public async Task SetSemanticDescription()
@@ -130,6 +140,8 @@ public async Task SetSemanticDescription()
 		[Fact(DisplayName = "Semantic Hint is set correctly"
 #if ANDROID
 			, Skip = "This value can't be validated through automated tests"
+#elif MACCATALYST
+			, Skip = "This test fails sometimes on MACCATALYST"
 #endif
 		)]
 		public async Task SetSemanticHint()
@@ -140,7 +152,11 @@ public async Task SetSemanticHint()
 			Assert.Equal(view.Semantics.Hint, id);
 		}
 
-		[Fact(DisplayName = "Semantic Heading is set correctly")]
+		[Fact(DisplayName = "Semantic Heading is set correctly"
+#if MACCATALYST
+			, Skip = "This test fails sometimes on MACCATALYST"
+#endif		
+		)]
 		public async Task SetSemanticHeading()
 		{
 			var view = new TStub();