public void Test_AddMethod()
{
MathFunctions testInstance = new MathFunctions();
double testResult = testInstance.Add(10, 4);
Assert.AreEqual(14, testResult, "Test Failed! Expected result is 14.");
}
public async Task WhenAnAPICallIsMadeToAddTheTwoNumbers()
{
var response = await mathFunctions.Add(new HttpRequestMessage(), num1, num2, log.Object);
var actual = response as OkObjectResult;
actualStatusCode = actual.StatusCode;
actualValue = (int)actual.Value;
}