Fatal error: Uncaught Error: Class 'MediaWikiIntegrationTestCase' not found in /srv/wiki/vistrails/main/skins/Vector/tests/phpunit/integration/VectorHooksTest.php:18 Stack trace: #0 {main} thrown in /srv/wiki/vistrails/main/skins/Vector/tests/phpunit/integration/VectorHooksTest.php on line 18