[PATCH 3 of 3 v2 pip-fix] tests: add a test for installing hg with pip in a virtualenv

[Matt Harbison]

On Thu, 08 Jun 2017 10:52:10 -0400, Augie Fackler <raf at durin42.com> wrote:

> # HG changeset patch
> # User Augie Fackler <augie at google.com>
> # Date 1496762198 14400
> #      Tue Jun 06 11:16:38 2017 -0400
> # Node ID ef19f4139ca98d49f50677a7465cb5e750dbce60
> # Parent  510ffdb1a28bf8acab7ebe9d2c79af4555ac398e
> tests: add a test for installing hg with pip in a virtualenv

LGTM, thanks!