[PATCH 5 of 5 osx] tests: hint how to run slow tests when rejecting

[Yuya Nishihara]

On Fri, 26 May 2017 19:36:12 -0700, Jun Wu wrote:
> Nice cleanup. Glad to see chg being included by default!

Queued per Jun's review, thanks.

> Excerpts from Augie Fackler's message of 2017-05-26 20:27:32 -0400:
> > # HG changeset patch
> > # User spectral <spectral at google.com>

I've updated this to 'Kyle Lippincott <spectral at google.com>'.

> > # Date 1495835574 25200
> > #      Fri May 26 14:52:54 2017 -0700
> > # Node ID e70c2a57c0d11f67f26e5966dee9daf1e384acb2
> > # Parent  ffca36020b1032817a451e0fb752b80bbf55d84a
> > tests: hint how to run slow tests when rejecting