public void Add_Two_Numbers(int first, int last, int expected)
        {
            // Act
            int actual = calc.Add(first, last);

            // Assert
            Assert.AreEqual(expected, actual);
        }
        public void AddTest()
        {
            CalculatorApp calculator = new CalculatorApp();

            Assert.AreEqual(4, calculator.Add(2, 2));
        }
 public void AddTest()
 {
     Assert.AreEqual(2, calculator.Add(1, 1));
     Assert.AreEqual(2.2, calculator.Add(1.1, 1.1));
 }