Merge pull request #37774 from dotnet/dev/jorobich/skip-verifypreviousandnexthistory

Adding Skip to CSharpInteractiveCommands.VerifyPreviousAndNextHistory

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

@@ -16,7 +16,7 @@ public CSharpInteractiveCommands(VisualStudioInstanceFactory instanceFactory, IT
         {
         }
 
-        [WpfFact]
+        [WpfFact(Skip = "https://github.com/dotnet/roslyn/issues/18779")]
         public void VerifyPreviousAndNextHistory()
         {
             VisualStudio.InteractiveWindow.SubmitText("1 + 2");