4.1.1 'Simple service testing' on private services not working after DI changes #27741
Description
Symfony version(s) affected: 4.1.1
Description
This commit made for last SF version 4.1.1 breaks feature brought to in version 4.1.0.
Simple service testing doesn't work anymore. https://symfony.com/blog/new-in-symfony-4-1-simpler-service-testing
6764d4e#diff-ce4ed09b11d8fa531159e96df52124f3
How to reproduce
// class TestX extends \Symfony\Bundle\FrameworkBundle\Test\WebTestCase\WebTestCase
$client = self::createClient();
$container = $client->getContainer();
// Or any private service
$em = $container->get(EntityManagerInterface::class);