public function testEntityIsPersisted()
{
$user = new User('neo', 33);
$this->em->persist($user);
$this->em->flush();
$query = 'MATCH (n:User {login:"neo"}) RETURN n';
$result = $this->client->run($query);
$this->assertCount(1, $result->records());
$record = $result->records()[0];
$userNode = $record->value('n');
$this->assertEquals('neo', $userNode->value('login'));
$this->assertEquals(33, $userNode->value('age'));
$this->assertCount(1, $userNode->labels());
}