Skip flaky integration tests

Author: genlu

src/VisualStudio/IntegrationTest/IntegrationTests/CSharp/CSharpFormatting.cs

@@ -29,7 +29,8 @@ public CSharpFormatting(VisualStudioInstanceFactory instanceFactory)
         {
         }
 
-        [WpfFact, Trait(Traits.Feature, Traits.Features.Formatting)]
+        [WpfFact(Skip = "https://github.com/dotnet/roslyn/issues/67244")]
+        [Trait(Traits.Feature, Traits.Features.Formatting)]
         public void AlignOpenBraceWithMethodDeclaration()
         {
             using (var telemetry = VisualStudio.EnableTestTelemetryChannel())

src/VisualStudio/IntegrationTest/IntegrationTests/CSharp/CSharpRename.cs

@@ -46,7 +46,7 @@ public override async Task InitializeAsync()
             VisualStudio.Workspace.SetGlobalOption(WellKnownGlobalOption.InlineRenameSessionOptions_PreviewChanges, language: null, value: false);
         }
 
-        [WpfFact]
+        [WpfFact(Skip = "https://github.com/dotnet/roslyn/issues/67245")]
         public void VerifyLocalVariableRename()
         {
             var markup = @"