Prior to starting, ensure cron is disabled for your site (to ensure we can remove the demo adhoc task before cron executes it) Extract demo plugin mdl70427.zip to your site local/ directory Login as admin You'll be prompted to install the demo plugin Complete installation Confirm presence of plugin adhoc task from your DB console, e.g.: SELECT * FROM moodle.m_task_adhoc; Confirm the component field for the adhoc task is set to "local_mdl70427" Navigate to Plugins > Local plugins > Manage local plugin in site administration Uninstall the MDL-70427 Demo plugin Re-run the DB query from step 6 Confirm that the plugin adhoc task has been removed Run unit tests $ vendor/bin/phpunit --testsuite core_testsuite --filter core_adhoc_task_testcase