public function testMergeRemovedDocument()
{
$user = new CmsUser();
$user->username = "beberlei";
$user->name = "Benjamin";
$this->dm->persist($user);
$this->dm->flush();
$this->dm->remove($user);
$this->setExpectedException('InvalidArgumentException', 'Removed document detected during merge. Can not merge with a removed document.');
$this->dm->merge($user);
}