Fixing a build failure due to the merge from master.

eng/Versions.props

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Arcade features -->
+  <PropertyGroup>
+    <UsingToolNetFrameworkReferenceAssemblies>true</UsingToolNetFrameworkReferenceAssemblies>
+  </PropertyGroup>
+
   <!-- This is a fake version to fool arcade. In this repo, we handle the versioning
   of assets ourselves, since all we do is generate zips/tarballs and native installers. -->
   <PropertyGroup>

test/Microsoft.DotNet.Tools.Tests.Utilities/RequiresAspNetCore.cs

@@ -9,9 +9,7 @@ namespace Microsoft.DotNet.Tools.Test.Utilities
     {
         public RequiresAspNetCore()
         {
-            var  repoDirectoriesProvider = new RepoDirectoriesProvider();
-            
-            if (repoDirectoriesProvider.Stage2AspNetCore == null)
+            if (RepoDirectoriesProvider.Stage2AspNetCore == null)
             {
                 this.Skip = $"This test requires a AspNetCore but it isn't present.";
             }