public void Test_Invalid_Remove_Prize_Level()
        {
            PrizeLevels pls = new PrizeLevels();

            pls.removePrizeLevel(5);

            Assert.IsTrue(pls.getNumPrizeLevels() == 0);
        }
        public void Test_Remove_Count_Prize_Level()
        {
            PrizeLevels pls = new PrizeLevels();

            PrizeLevel pl1 = new PrizeLevel();

            pls.addPrizeLevel(pl1);

            pls.removePrizeLevel(0);

            Assert.IsTrue(pls.getNumPrizeLevels() == 0);
        }