public void WhenAnItemIsScannedItIsAddedToTheBasket()
        {
            //Arrange
            var basket = new sortedBasket.Basket();

            //Act
            var status = basket.Scan(_apple);

            //Assert
            Assert.True(status);
        }
        public void WhenATotalIsRequestedItIsReturned()
        {
            //Arrange
            var basket = new sortedBasket.Basket();

            basket.Scan(_apple);

            //Act
            var total = basket.Total();

            //Assert
            Assert.Equal(0.5m, total);
        }
        public void WhenAnOfferIsAvailableItIsApplied()
        {
            //Arrange
            var basket = new sortedBasket.Basket();

            //Act
            basket.Scan(_biscuits);
            basket.Scan(_biscuits);

            var total = basket.Total();

            //Assert
            Assert.Equal(.45m, total);
        }