public void CloudinaryImage_WithDefaultImageSpecified_AddsDefaultImageToUrl()
{
var transformation = new Transformation(240, 240)
{
DefaultImage = "sample.jpg"
};
string url = Url.CloudinaryImage("face", transformation).ToString();
Assert.AreEqual("http://res.cloudinary.com/test/image/upload/w_240,h_240,d_sample.jpg/face.jpg", url);
}