public void ApproveAnotherCustomerClearsCurrentCustomerAndRedirectsToApproveCustomerView()
        {
            MockNavigationService navigationService = new MockNavigationService();
            CustomersController   controller        = GetCustomersControllerInitialized(navigationService);

            controller.CurrentCustomer = new Customer();

            controller.ApproveAnotherCustomer();

            Assert.IsNull(controller.CurrentCustomer);
            Assert.IsTrue(navigationService.NavigateCalled);
            Assert.AreEqual(ViewNames.ApproveCustomerView, navigationService.View);
        }