/**
  * @test
  */
 public function removeParentFromObjectStorageHoldingParent()
 {
     $parent = new \Bjr\BjrLend\Domain\Model\Category();
     $localObjectStorage = new \TYPO3\CMS\Extbase\Persistence\Generic\ObjectStorage();
     $localObjectStorage->attach($parent);
     $localObjectStorage->detach($parent);
     $this->fixture->addParent($parent);
     $this->fixture->removeParent($parent);
     $this->assertEquals($localObjectStorage, $this->fixture->getParent());
 }