$this->assertNotEmpty($content->getMimetype(), 'Mimetype for http://www.zataz.com is ok');
$this->assertNotEmpty($content->getPreviewPicture(), 'Preview picture for http://www.zataz.com is ok');
$this->assertNotEmpty($content->getLanguage(), 'Language for http://www.zataz.com is ok');
$this->assertNotEmpty($content->getMimetype(), 'Mimetype for http://www.zataz.com is ok');
$this->assertNotEmpty($content->getPreviewPicture(), 'Preview picture for http://www.zataz.com is ok');
$this->assertNotEmpty($content->getLanguage(), 'Language for http://www.zataz.com is ok');