public void BasicCoffeeWithChocolateShouldHaveCostOf(decimal expected)
        {
            var coffee = new WithChocolate(new BasicCoffee());

            Assert.AreEqual(expected, coffee.CalculateCost());
        }
        public void BasicCoffeeWithChocolateShouldHaveDescription(string expected)
        {
            var coffee = new  WithChocolate(new BasicCoffee());

            Assert.AreEqual(expected, coffee.Description);
        }