()     {         $user = new CmsUser();         $user->name = "John Galt";         $user->username = "jgalt";         $user->status = "inactive";          $article = new CmsArticle();         $article->topic = "This is John Galt speaking!";         $article->text = "Yadda Yadda!";         $article->setAuthor($user);          $this->_em->persist($user);         $this->_em->persist($article);         $this->_em->flush();          $dql = "SELECT a FROM Doctrine\Tests\Models\CMS\CmsArticle a WHERE a.user = :author";         $this->_em->createQuery($dql)                   ->setParameter('author', $user)                   ->getResult();          $dql = "SELECT a FROM Doctrine\Tests\Models\CMS\CmsArticle a WHERE a.user = :author AND a.user = :author";         $this->_em->createQuery($dql)                   ->setParameter('author', $user)                   ->getResult();          $dql = "SELECT a FROM Doctrine\Tests\Models\CMS\CmsArticle a WHERE a.topic = 