Cloudinary\Api::subfolders PHP Method

    function subfolders($of_folder_path, $options = array())
    {
        return $this->call_api("get", array("folders", $of_folder_path), array(), $options);
    }

 /**
  * @expectedException \Cloudinary\Api\NotFound
  */
 function test33_folder_listing_error()
 {
     $this->api->subfolders("test_folder");
 }