public void DetectImageUrl()
        {
            string testImageUrl = "https://raw.githubusercontent.com/Microsoft/Cognitive-CustomVision-Windows/master/Samples/Images/Test/test_image.jpg";

            using (MockContext context = MockContext.Start(this.GetType()))
            {
                HttpMockServer.Initialize(this.GetType(), "DetectImageUrl", RecorderMode);

                ICustomVisionPredictionClient client = GetPredictionClientClient();
                ImageUrl url = new ImageUrl(testImageUrl);

                ImagePrediction results = client.DetectImageUrl(ObjectDetectionProjectId, ObjDetectionPublishedName, url);
                ValidateObjDetectionResults(results);
            }
        }