Skip test

src/Components/Blazor/Build/test/RuntimeDependenciesResolverTest.cs

@@ -13,7 +13,7 @@ namespace Microsoft.AspNetCore.Blazor.Build.Test
 {
     public class RuntimeDependenciesResolverTest
     {
-        [ConditionalFact]
+        [ConditionalFact(Skip = " https://github.com/aspnet/AspNetCore/issues/12059")]
         [SkipOnHelix("https://github.com/aspnet/AspNetCore/issues/10426")]
         public void FindsReferenceAssemblyGraph_ForStandaloneApp()
         {

src/Components/Components/test/ElementReferenceTest.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using System.Text.Json;
 using Xunit;