/**
  * @param $login
  *
  * @return \GraphAware\Neo4j\OGM\Tests\Integration\UseCase\Github\Model\GithubUser
  */
 private function createUser($login)
 {
     $user = new GithubUser($login);
     $user->setDescription('neo4j consultant');
     $this->em->persist($user);
     $this->em->flush();
     $this->assertGraphExist('(u:User {login:"******", description:"neo4j consultant"})');
     return $user;
 }