public function testCascadeRemoveSingleDocument()
{
$user = new \Doctrine\Tests\Models\CMS\CmsUser();
$user->username = "beberlei";
$user->name = "Benjamin";
$article = new \Doctrine\Tests\Models\CMS\CmsArticle();
$article->text = "foo";
$article->topic = "bar";
$article->user = $user;
$this->dm->persist($article);
$this->dm->persist($user);
$this->dm->flush();
$this->dm->remove($article);
$this->dm->flush();
$this->assertFalse($this->dm->contains($user));
$this->assertFalse($this->dm->contains($article));
}