[WIP][PATCH] Run make test envs in parallel in autobuild

[Andreas Schneider]

On Friday, 5 May 2017 22:41:45 CEST Andrew Bartlett via samba-technical wrote:
> On Tue, 2017-02-28 at 21:58 +1300, Andrew Bartlett wrote:
> > This patch was inspired by the fact that even our basic python tests do
> > not run in the travis-ci triggered by github pull requests.
> > 
> > I also wanted to see what time we could save by running some tests from
> > the separated environments in a different autobuild task (which maps to
> > distinct travis-ci tasks).
> > 
> > On the Catalyst cloud, this decreases overall time on a 4 CPU server by
> > 80mins, to 180min from 260min.  It may be making the flapping tests
> > flap more also however, and these need to be understood.
> > 
> > Tasks that run in under 45mins can run in travis-ci, which is a good
> > thing.
> > 
> > Anyway, for now it is food for thought and a possible way to reduce the
> > ever-expanding build and test times, and ensure more of our tests run
> > for github users.
> 
> I'm giving this another go, after comments at the team meeting.
> 
> Hopefully with less flapping tests overall, this becomes practical.

Thanks for looking into this Andrew!