public function test_download_zip_url()
{
$result = \Cloudinary::download_zip_url(array("tags" => $this->tag));
$file = tempnam("tmp", "zip");
file_put_contents($file, file_get_contents($result));
$zip = new \ZipArchive();
$zip->open($file);
$this->assertEquals(2, $zip->numFiles);
unlink($file);
}