[Test failure] BasicExpressionEvaluator: COMException : Operation not...

[Test failure] BasicExpressionEvaluator: COMException : Operation not supported. Unknown error: 0x8971003c (#20841)

* "Enable integration tests (#20216)"

This reverts commit 2fba37a6.

* removing unnecessary dispose actions

src/VisualStudio/IntegrationTest/IntegrationTests/VisualBasic/BasicExpressionEvaluator.cs

@@ -55,7 +55,6 @@ End Sub
 End Module");
         }
 
-        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/20711")]
         public void ValidateLocalsWindow()
         {
             VisualStudio.Debugger.Go(waitForBreakMode: true);
@@ -83,7 +82,6 @@ public void ValidateLocalsWindow()
             VisualStudio.LocalsWindow.Verify.CheckEntry("myMulticastDelegate", "System.MulticastDelegate", "Nothing");
         }
 
-        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/20711")]
         public void EvaluatePrimitiveValues()
         {
             VisualStudio.Debugger.Go(waitForBreakMode: true);
@@ -104,14 +102,12 @@ public void EvaluateLambdaExpressions()
             VisualStudio.Debugger.CheckExpression("(Function(val)(val+val))(1)", "Integer", "2");
         }
 
-        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/20711")]
         public void EvaluateInvalidExpressions()
         {
             VisualStudio.Debugger.Go(waitForBreakMode: true);
             VisualStudio.Debugger.CheckExpression("myNonsense", "", "error BC30451: 'myNonsense' is not declared. It may be inaccessible due to its protection level.");
         }
 
-        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/20711")]
         public void StateMachineTypeParameters()
         {
             VisualStudio.Editor.SetText(@"
@@ -141,15 +137,5 @@ End Module
             // It is better to use the Immediate Window but DTE does not provide an access to it.
             VisualStudio.Debugger.CheckExpression("GetType(T) = GetType(String)", "Boolean", "True");
         }
-
-        protected override void Dispose(bool disposing)
-        {
-            if (disposing)
-            {
-                VisualStudio.Debugger.StepOver(waitForBreakOrEnd: true);
-            }
-
-            base.Dispose(disposing);
-        }
     }
 }