public void GetPriceWithTaxIncluded_ProductIsTaxed_ReturnPriceWithTax()
        {
            // Arrange
            var salesTaxRate            = new SalesTaxRate();
            var basicSalesTaxCalculator = new BasicSalesTaxCalculator(salesTaxRate);
            var item = new ShoppingBasketItem(new Product("Other", ProductType.Other), 99.99m, false, basicSalesTaxCalculator);

            // Act
            var result = basicSalesTaxCalculator.GetPriceWithTaxIncluded(item);

            // Assert
            Assert.AreEqual(result, 109.99m);
        }
        public void GetPriceWithTaxIncluded_ProductIsExempt_ReturnPrice()
        {
            // Arrange
            var salesTaxRate            = new SalesTaxRate();
            var basicSalesTaxCalculator = new BasicSalesTaxCalculator(salesTaxRate);
            var item = new ShoppingBasketItem(new Product("Coffee", ProductType.Coffee), 11.50m, false, basicSalesTaxCalculator);

            // Act
            var result = basicSalesTaxCalculator.GetPriceWithTaxIncluded(item);

            // Assert
            Assert.AreEqual(result, 11.50m);
        }