Fatal error: Uncaught Error: Class "core_privacy\tests\provider_testcase" not found in C:\Apache24\htdocs\moodle\grade\grading\form\rubric\tests\privacy\provider_test.php:39 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\grade\grading\form\rubric\tests\privacy\provider_test.php on line 39