public function testEntityCanBeRetrieved()
{
$user = new User('neo', 33);
$this->em->persist($user);
$this->em->flush();
$this->resetEm();
$repository = $this->em->getRepository(User::class);
/** @var User $user */
$user = $repository->findOneBy('login', 'neo');
$this->assertEquals('neo', $user->getLogin());
$this->assertEquals(33, $user->getAge());
}