public void Save_MenuItemWithValidData_ShouldCallRepositoryCreate()
        {
            // Act
            var result = sut.Save(foodItem.FoodId, foodItem);

            // Assert
            mockMenuItemRepository.Verify(f => f.Retrieve(foodItem.FoodId), Times.Once);
            mockMenuItemRepository.Verify(f => f.Create(foodItem), Times.Once);
        }