Fatal error: Uncaught Error: Class "ApiTestCase" not found in /var/www/html/orian-wiki/extensions/VisualEditor/tests/phpunit/ApiVisualEditorTest.php:17 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/extensions/VisualEditor/tests/phpunit/ApiVisualEditorTest.php on line 17