Ticket #209 has indicated that sometimes cleanup is not scheduled, but there are probably other cases that could stop cleanup from running.
To prevent any issues in the future, we should add a test case testing the cleanup system.
Metadata Update from @puiterwijk: - Issue assigned to puiterwijk - Issue set to the milestone: 1.3
Metadata Update from @t0xic0der: - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)