diff --git a/tests/PHPUnit/Framework/TestCase/SystemTestCase.php b/tests/PHPUnit/Framework/TestCase/SystemTestCase.php
index b7b2f2f5551a4d7c42a5c6c9b06df1ce1e8a02cb..7797751b9f682abff55db80729174bd8ae7e58df 100755
--- a/tests/PHPUnit/Framework/TestCase/SystemTestCase.php
+++ b/tests/PHPUnit/Framework/TestCase/SystemTestCase.php
@@ -69,6 +69,8 @@ abstract class SystemTestCase extends PHPUnit_Framework_TestCase
             $fixture->extraTestEnvVars['loadRealTranslations'] = true; // load real translations by default for system tests
         }
 
+        $fixture->extraDefinitions = static::provideContainerConfigBeforeClass();
+
         try {
             $fixture->performSetUp();
         } catch (Exception $e) {