public static MockSolution InitializeWithNormalClassFile(this MockSolution s)
        {
            s.Projects.Add(
                new MockProject
            {
                AssemblyReferences =
                    ReferenceHelper.GetDefaultSystemReferences()
                    .ToList(),
                MockSourceFiles =
                {
                    MockSourceFile.CreateDefaultFile()
                }
            });

            return(s);
        }