Fixing the failing test by using a package that is not part of the asp.net runtime.

TestAssets/TestProjects/NuGetConfigDependentProject/Program.cs

@@ -0,0 +1,16 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using System.Collections;
+using NuGet.Configuration;
+
+class Program
+{
+    public static void Main(string[] args)
+    {
+        var settingValue = new SettingValue("key", "value", false);
+
+        Console.WriteLine(settingValue.Key);
+    }
+}