Fatal error: Uncaught Error: Class 'advanced_testcase' not found in /home/ujecomco/aula.uje.com.co/completion/tests/activity_custom_completion_test.php:33 Stack trace: #0 {main} thrown in /home/ujecomco/aula.uje.com.co/completion/tests/activity_custom_completion_test.php on line 33