void CreateProjectManagerWithPackageReferenceRepository ()
		{
			var sharedRepository = new FakeSharedPackageRepository ();
			var repository = new PackageReferenceRepository (fileSystem, "MyProject", sharedRepository);
			projectManager = new TestableProjectManager (repository);
		}
		void CreateProjectManager ()
		{
			projectManager = new TestableProjectManager ();
		}
		void CreateTestableProjectManager ()
		{
			testableProjectManager = new TestableProjectManager ();
			packageManager.ProjectManager = testableProjectManager;
		}