void CreateViewModel(FakeRegisteredPackageRepositories registeredPackageRepositories)
		{
			viewModel = new TestablePackagesViewModel(registeredPackageRepositories);
			this.registeredPackageRepositories = registeredPackageRepositories;
			taskFactory = viewModel.FakeTaskFactory;
		}
		void CreateViewModel(FakePackageManagementService packageManagementService)
		{
			viewModel = new TestablePackagesViewModel(packageManagementService);
			this.packageManagementService = packageManagementService;
			taskFactory = viewModel.FakeTaskFactory;
		}