PHPUnit Make sure all the tests in  lib/tests/task/automated_backup_task_test.php are passed Manual testing Initial setup Setup Mailpit: https://github.com/axllent/mailpit Add below config to config.php // Mailpit. $CFG->smtphosts = 'localhost:1025' ; $CFG->smtpsecure = '' ; $CFG->smtpauthtype = 'LOGIN' ; $CFG->smtpuser = '' ; $CFG->smtppass = '' ; Make sure your mdl_backup_courses table is empty. It will be easier to verify the changes. (You can use any Database tool to delete the records). Login as admin. Create two courses called: Backup 1 and Backup 2. (Take note of these course ids). Navigate to Site Administration> Courses > Backups > Automated backup setup and set the following settings: Active: Enabled Schedule: Check all days. Skip courses not modified since: Never Skip courses not modified since previous backup: Un-check Testing Open your browser and navigate to: http://localhost:8025/ (Mailpit server) Open your terminal. Run below command php admin/cli/scheduled_task.php --execute= '\core\task\automated_backup_task' Open your Database tool (Ex: Dbeaver) and run select * from mdl_backup_courses mbc Verify that you will see three records. Two of them have the course ids that we created before. Run the following SQL to update the nextstarttime to the past update mdl_backup_courses set nextstarttime = 1703034000 Switch to your terminal and run the below command php admin/cli/scheduled_task.php --execute= '\core\task\automated_backup_task' Verify that you will see something like: Putting backup of course id X in adhoc task queue (X are the course ids that we created before) Verify that you will see: Automated backups complete. Switch to Mailpit browser. Verify that you don't see any backup report emails. Switch to your terminal and run the below command php admin/cli/scheduled_task.php --execute= '\core\task\automated_backup_report_task' Switch to Mailpit browser. Verify that you don't see any backup report emails. Switch to your terminal and run the below command php admin/cli/adhoc_task.php --execute Switch to Mailpit browser. Verify that you don't see any backup report emails. Switch to your terminal and run the below command php admin/cli/scheduled_task.php --execute= '\core\task\automated_backup_report_task' Switch to Mailpit browser. Verify that you will see one Automated backup status email. Click on that email to see the details. Verify that content as below: Courses: 3 (One is for the Site course + 2 newly created courses) OK: 3 (One is for the Site course + 2 newly created courses) Course backup ad hoc task pending: 0 Remember to revert all the configuration changes.