Fatal error: Uncaught Error: Class "advanced_testcase" not found in /srv/www/htdocs/moodle/lib/tests/oauth2/discovery/auth_server_config_reader_test.php:35 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/tests/oauth2/discovery/auth_server_config_reader_test.php on line 35