Fatal error: Uncaught Error: Class "core\tests\router\route_testcase" not found in /srv/www/htdocs/moodle/lib/tests/router/schema/objects/array_of_strings_test.php:33 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/tests/router/schema/objects/array_of_strings_test.php on line 33