public ReturnObject analyse()
        {
            //Call: camera_roll.py Images/
            PrepareModel prepareModel = new PrepareModel();
            ReturnObject returnObject = prepareModel.GetReturnObject();

            return(returnObject);
        }
        public void GetReturnObjectTest()
        {
            //Arrange
            string emotion    = "Surprised";
            int    percentage = 60;

            ReturnObject.Type enumType = ReturnObject.Type.FaceDetected;
            actual_prepareModel = new PrepareModel();

            //Act
            ReturnObject expected = actual_prepareModel.returnObject;

            //Change the returnObject in actual_prepareModel
            actual_prepareModel.returnObject = new ReturnObject(emotion, percentage, enumType);
            ReturnObject actual = actual_prepareModel.GetReturnObject();

            //Assert
            Assert.AreNotEqual(expected.Emotion, actual.Emotion);
            Assert.AreNotEqual(expected.Percentage, actual.Percentage);
            Assert.AreNotEqual(expected.FaceDetected, actual.FaceDetected);
        }