public void ShouldReturnCostWithoutSalesTax() { //arrange ICartItem item = new NonTaxableItem(10.00); //assert item.Cost().Should().Be(10); }
public void ShouldReturnNoTaxForNonTaxableItems() { //arrange ICartItem item = new NonTaxableItem(10.00); //assert item.Tax().Should().Be(0); }