This tool creates standard test courses that include many
sections, activities, and files.

This is intended to provide a standardised measure for checking the reliability
and performance of various system components (such as backup and restore).

This test is important because there have been many cases previously where,
faced with real-life use cases (e.g. a course with 1,000 activities), the system
does not work.

Courses created using this feature can occupy a large amount of database and
filesystem space (tens of gigabytes). You will need to delete the courses
(and wait for various cleanup runs) to release this space again.

**Do not use this feature on a live system**. Use only on a developer server.
(To avoid accidental use, this feature is disabled unless you have also selected
DEVELOPER debugging level.)