Reword again
Wolis drops databases, who knew
No longer necessary as we stopped using unittest.main
This seems like a better approach.

Use a global but delete two hacks.

The setup was additionally missing a super call.
Responses dir is written to by casper, make it world writable
Remove a debug print
Extract our_script_path function
Quieten git
Implement version constraint less than cutoff
Check that schema files have been generated via create_schema_files script.

https://github.com/phpbb/phpbb3/pull/1185#discussion_r2613501
https://github.com/phpbb/phpbb3/pull/1189

Try without -p, otherwise .git directory is missed