[Checkins] [zopefoundation/z3c.testing] 2ca34e: Additional fixes to #1 as detected by @mgedmin.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/z3c.testing
  Commit: 2ca34ebabb03351e7cbe921a1eae0909b11942f7
      https://github.com/zopefoundation/z3c.testing/commit/2ca34ebabb03351e7cbe921a1eae0909b11942f7
  Author: Michael Howitz <mh at gocept.com>
  Date:   2017-06-16 (Fri, 16 Jun 2017)

  Changed paths:
    M CHANGES.txt
    M tox.ini

  Log Message:
  -----------
  Additional fixes to #1 as detected by @mgedmin.