Disable more tests (for now with wrong bug IDs)

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

@@ -30,7 +30,7 @@ static void Main(string[] args)
     }
 }";
 
-        [Fact, Trait(Traits.Feature, Traits.Features.EncapsulateField)]
+        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/18870"), Trait(Traits.Feature, Traits.Features.EncapsulateField)]
         public void EncapsulateThroughCommand()
         {
             SetUpEditor(TestSource);

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

@@ -61,7 +61,7 @@ public void VerifySharpLoadCompletionList()
             VisualStudio.InteractiveWindow.Verify.CompletionItemsExist("C:");
         }
 
-        [Fact]
+        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/18870")]
         public void VerifyNoCrashOnEnter()
         {
             VisualStudio.Workspace.SetUseSuggestionMode(false);

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

@@ -214,7 +214,7 @@ public void AddAssemblyReferenceAndTypesToInteractive()
             VisualStudio.Workspace.WaitForAsyncOperations(FeatureAttribute.SolutionCrawler);
         }
 
-        [Fact]
+        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/18870")]
         public void ResetInteractiveFromProjectAndVerify()
         {
             var assembly = new ProjectUtils.AssemblyReference("System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089");