public void InsertNumber_15_15_0_0_15return()
        {
            int         expected    = 15;
            NumberClass numberClass = new NumberClass();
            int         actual      = numberClass.InsertNumber(15, 15, 0, 0);

            Assert.AreEqual(expected, actual);
        }
        public void InsertNumber_8_15_3_8_120return()
        {
            int         expected    = 120;
            NumberClass numberClass = new NumberClass();
            int         actual      = numberClass.InsertNumber(8, 15, 3, 8);

            Assert.AreEqual(expected, actual);
        }