test suite: add more debugging output for notmuch-new

[Tomi Ollila]

On Tue, Aug 04 2015, David Bremner <david at tethera.net> wrote:

> The first patch in the series is a trivial cleanup.
>
> I _thought_ (and tricked Tomi ;)) that the next one was trivial too,
> but now I'm not so sure.
>
> First, I forgot to update one test, but I mostly understand (or can at
> least rationalize) that output. Then I had the bright idea that I
> should add debugging output to other tests in T050-new. In 5 cases I
> can't really understand the results. It seems like it takes several
> runs of notmuch-new to remove directory entries. Maybe this is
> intended, but I couldn't figure that out in a quick look.

I got the same test results -- and could not figure out the reason through
a brief look at the notmuch-new.c code.

+1 for the series for now, hopefully we soon find out the resolution to the
known broken tests.

Tomi