public void HappyPathCalculateValueInDecimalPlaces() { var tripList = new TripList { Trip = new List <Trip> { new Trip { Expenses = new List <double> { 15.01, 15, 3, 3.01 } } } }; var response = controller.CalculateTrip(tripList); var expectedValue = "11.99"; string responseValue; Assert.AreEqual(HttpStatusCode.OK, response.StatusCode); Assert.IsTrue(response.TryGetContentValue(out responseValue)); Assert.AreEqual(expectedValue, responseValue); }