public void CloudinaryImage_WithFixedCroppingPositionSet_AddPosition()
        {
            var transformation = new Transformation(240, 240) { Crop = CropMode.Crop };
            transformation.SetFixedCroppingPosition(350, 510);

            string url = Url.CloudinaryImage("cropme", transformation).ToString();

            Assert.AreEqual("http://res.cloudinary.com/test/image/upload/w_240,h_240,x_350,y_510,c_crop/cropme.jpg", url);
        }