public function testDetachedKnownObject()
{
$user = new CmsUser();
$user->username = "beberlei";
$user->name = "Benjamin";
$this->dm->persist($user);
$this->dm->flush();
$this->dm->detach($user);
$this->assertEquals(UnitOfWork::STATE_DETACHED, $this->dm->getUnitOfWork()->getDocumentState($user));
}