getFriends() public method

public getFriends ( ) : ArrayCollection | User[]
return Doctrine\Common\Collections\ArrayCollection | User[]
 /**
  * @group rel-ref-fetch
  */
 public function testRelatedEntitiesFetchedCanBeRemoved()
 {
     $user = new User('ikwattro');
     $user2 = new User('jexp');
     $user3 = new User('michal');
     $user->getFriends()->add($user2);
     $user->getFriends()->add($user3);
     $this->em->persist($user);
     $this->em->flush();
     $this->assertGraphExist('(u:User {login:"******"})-[r:FOLLOWS]->(o:User {login:"******"})');
     $this->assertGraphExist('(u:User {login:"******"})-[r:FOLLOWS]->(o:User {login:"******"})');
     $this->em->clear();
     /** @var User $ikwattro */
     $ikwattro = $this->em->getRepository(User::class)->findOneBy('login', 'ikwattro');
     $this->assertInstanceOf(User::class, $ikwattro);
     $this->assertCount(2, $ikwattro->getFriends());
     foreach ($ikwattro->getFriends() as $friend) {
         if ($friend->getLogin() === 'jexp') {
             $ikwattro->getFriends()->removeElement($friend);
         }
     }
     $this->assertCount(1, $ikwattro->getFriends());
     $this->em->flush();
     $this->assertGraphNotExist('(u:User {login:"******"})-[r:FOLLOWS]->(o:User {login:"******"})');
 }