public void HalloweenSellTest_Case1()
        {
            var actual = new HalloweenSell().howManyGames(20, 3, 6, 70);

            var expected = 5;

            Assert.AreEqual(expected, actual);
        }
        public void HalloweenSellTest_Case2()
        {
            var actual = new HalloweenSell().howManyGames(16, 2, 1, 9981);

            var expected = 9917;

            Assert.AreEqual(expected, actual);
        }