[PATCH] test suite: don't consider skipped individual tests as failing

[David Bremner]

Tomi Ollila <tomi.ollila at iki.fi> writes:

>
> Looks OK, but I think there should be (some good) comment here informing
> any potential viewer that we're not checking $skipped...
>

I put some vaguely threatening comment in test/README, and a brief
comment in the file. I've merged the commit, but feel free to send
suggestions / patches for further doc changes. I more or less made up a
hypothetical future policy on the spot...

d