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