public void Divide_8_2_Return_4()
        {
            // Act
            var result = _controller.Divide(8, 2);

            // Assert
            Assert.Equal("4", result.Value);
        }
        public void dividing_two_numbers_should_return_correct_amount_when_called()
        {
            // Arrange
            int firstNumber  = 12;
            int secondNumber = 4;
            var expected     = 3;

            // Act
            var actual = _calculator.Divide(firstNumber, secondNumber);

            // Assert
            Assert.AreEqual(expected, actual);
        }