Fatal error: Uncaught Error: Class "core\task\adhoc_task" not found in /srv/www/htdocs/moodle/lib/phpunit/tests/fixtures/adhoc_test_task.php:27 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/phpunit/tests/fixtures/adhoc_test_task.php on line 27