Fatal error: Uncaught Error: Class "basic_testcase" not found in /srv/www/htdocs/moodle/lib/tests/output/mustache_clean_string_helper_test.php:30 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/tests/output/mustache_clean_string_helper_test.php on line 30