public void AddDelivery_ReturnsCorrectViewResult()
{
// Arrange
Mock <IDeliveryProvider> deliveryProviderMock = new Mock <IDeliveryProvider>();
Mock <IDeliveryHandler> deliveryHandlerMock = new Mock <IDeliveryHandler>();
Mock <IDeliveryValidator> deliveryValidatorMock = new Mock <IDeliveryValidator>();
DeliveryController controller = new DeliveryController(deliveryProviderMock.Object, deliveryHandlerMock.Object, deliveryValidatorMock.Object);
// Act
ViewResult result = controller.AddDelivery(null) as ViewResult;
// Assert
Assert.IsNotNull(result);
Assert.AreEqual("AddDelivery", result.ViewName);
}