public void DecreaseUnits_ExecutesUnderlyingMethodInTheBasket()
{
//Arrange
var basketService = new Mock <IProductBasketService>();
basketService.Setup(m => m.DecreaseUnits(It.IsAny <string>()));
//Act
var controller1 = new BasketController(basketService.Object);
controller1.DecreaseUnits("s");
//Assert
basketService.Verify(m => m.DecreaseUnits(It.IsAny <string>()), Times.Once);
}
