public void AddToList_ReturnsList_List()
        {
            int        testEntry = 1;
            Pastry     newPastry = new Pastry(testEntry);
            List <int> testList  = new List <int> {
                1
            };
            List <int> result = newPastry.AddToList();

            CollectionAssert.AreEqual(testList, result);
        }
        public void CalculateCost_ReturnsCost_Int()
        {
            int    testPastry = 7;
            Pastry newPastry  = new Pastry(testPastry);

            newPastry.AddToList();
            int testCost = 12;
            int result   = newPastry.CalculateCost();

            Assert.AreEqual(testCost, result);
        }