public void SubtractTestCase()
        {
            CalculationProcess myCalc = new CalculationProcess();

            Assert.AreEqual(myCalc.subtract(3, 1), 2);
        }
        public void AddTestCase()
        {
            CalculationProcess myCalc = new CalculationProcess();

            Assert.AreEqual(myCalc.Add(1, 2), 3);
        }