/**
  * {@inheritdoc}
  */
 protected function setUp()
 {
     $this->entityManager = $this->getMock('\\Doctrine\\ORM\\EntityManager', array(), array(), '', false);
     $this->context = $this->getMock('\\Symfony\\Component\\Validator\\ExecutionContext', array(), array(), '', false);
     $this->validator = new CircularReferenceValidator(false);
     $this->validator->setEntityManager($this->entityManager);
     $this->validator->initialize($this->context);
 }