[PATCH v2 3/4] add caching procs to test suite

[Tom Tromey]

Pedro> I always prefer logically independent changes split into
Pedro> independent patches, as it makes it much easier to
Pedro> understand a patch and its ramifications (post-checkin too, when
Pedro> doing archaelogy and regression culprit finding), but I don't
Pedro> want to insist.

It's no trouble.
I'll send an updated series momentarily.

Tom