apply more cs rules for php-cs

src/Bundle/ChillMainBundle/Tests/Controller/NotificationApiControllerTest.php

@@ -16,12 +16,12 @@ use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Repository\UserRepository;
 use Chill\MainBundle\Test\PrepareClientTrait;
 use Chill\PersonBundle\Entity\AccompanyingPeriod;
-use DateTimeImmutable;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 /**
  * @internal
+ *
  * @coversNothing
  */
 final class NotificationApiControllerTest extends WebTestCase
@@ -57,7 +57,7 @@ final class NotificationApiControllerTest extends WebTestCase
             ->setRelatedEntityId(0)
             ->setSender($userB)
             ->addAddressee($userA)
-            ->setUpdatedAt(new DateTimeImmutable());
+            ->setUpdatedAt(new \DateTimeImmutable());
         $em->persist($notification);
         $em->refresh($notification);
         $em->flush();