replace more doctrine shortcuts by fqdn

src/Bundle/ChillReportBundle/Tests/Timeline/TimelineProviderTest.php

@@ -65,7 +65,7 @@ final class TimelineProviderTest extends WebTestCase
 
         $scopesSocial = array_filter(
             self::$em
-                ->getRepository('ChillMainBundle:Scope')
+                ->getRepository(\Chill\MainBundle\Entity\Scope::class)
                 ->findAll(),
             static function (Scope $scope) { return $scope->getName()['en'] === 'social'; }
         );