Fatal error: Uncaught Error: Class "advanced_testcase" not found in C:\Apache24\htdocs\moodle\grade\tests\grades\grader\gradingpanel\scale\external\fetch_test.php:36 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\grade\tests\grades\grader\gradingpanel\scale\external\fetch_test.php on line 36