public void CheckoutFunction_SingleBouchet()
        {
            var smallBouchet = new SmallBouchet();

            smallBouchet.Fees = 10;
            _paymentBouchet.CheckOut(smallBouchet);
        }
        public void CheckoutFunction_MultipleBouchets()
        {
            var bigBouchet    = new BigBouchet();
            var mediumBouchet = new MediumBouchet();
            var smallBouchet  = new SmallBouchet();

            mediumBouchet.Rose.Price = 999;
            mediumBouchet.Quantity   = 3;

            var bouchets = new List <Bouchet> {
                bigBouchet, mediumBouchet, smallBouchet
            };

            _paymentBouchet.CheckOut(bouchets);
        }