diff --git a/src/libraries/Common/tests/Extensions/TestingUtils/Microsoft.AspNetCore.Testing/src/xunit/FrameworkSkipConditionAttribute.cs b/src/libraries/Common/tests/Extensions/TestingUtils/Microsoft.AspNetCore.Testing/src/xunit/FrameworkSkipConditionAttribute.cs
index 029ffaa1d5f76..92895f5122341 100644
--- a/src/libraries/Common/tests/Extensions/TestingUtils/Microsoft.AspNetCore.Testing/src/xunit/FrameworkSkipConditionAttribute.cs
+++ b/src/libraries/Common/tests/Extensions/TestingUtils/Microsoft.AspNetCore.Testing/src/xunit/FrameworkSkipConditionAttribute.cs
@@ -33,7 +33,7 @@ private static bool CanRunOnThisFramework(RuntimeFrameworks excludedFrameworks)
                 return true;
             }
 
-#if NET461 || NET46
+#if NETFRAMEWORK
             if (excludedFrameworks.HasFlag(RuntimeFrameworks.Mono) &&
                 TestPlatformHelper.IsMono)
             {
diff --git a/src/libraries/Microsoft.Extensions.Configuration.Xml/tests/Microsoft.Extensions.Configuration.Xml.Tests.csproj b/src/libraries/Microsoft.Extensions.Configuration.Xml/tests/Microsoft.Extensions.Configuration.Xml.Tests.csproj
index 206ff09a1a29c..b65127b632667 100644
--- a/src/libraries/Microsoft.Extensions.Configuration.Xml/tests/Microsoft.Extensions.Configuration.Xml.Tests.csproj
+++ b/src/libraries/Microsoft.Extensions.Configuration.Xml/tests/Microsoft.Extensions.Configuration.Xml.Tests.csproj
@@ -28,6 +28,12 @@
       <Link>Common\tests\Extensions\TestingUtils\Microsoft.AspNetCore.Testing\src\xunit\RuntimeFrameworks.cs</Link>
     </Compile>
   </ItemGroup>
+  
+  <ItemGroup Condition="'$(TargetsNetFx)' == 'true'">
+    <Compile Include="$(CommonTestPath)Extensions\TestingUtils\Microsoft.AspNetCore.Testing\src\TestPlatformHelper.cs">
+      <Link>Common\tests\Extensions\TestingUtils\Microsoft.AspNetCore.Testing\src\TestPlatformHelper.cs</Link>
+    </Compile>
+  </ItemGroup>
 
   <ItemGroup>
     <ReferenceFromRuntime Include="Microsoft.Extensions.Configuration.Xml" />