[Checkins] [zopefoundation/ZServer] 66525c: Adjust tests to updated ZConfig package.

[Jürgen Gmach]

  Branch: refs/heads/fix-failing-test
  Home:   https://github.com/zopefoundation/ZServer
  Commit: 66525c3d65b8b9ccaa714a57fc1f83854879d65f
      https://github.com/zopefoundation/ZServer/commit/66525c3d65b8b9ccaa714a57fc1f83854879d65f
  Author: Jürgen Gmach <juergen.gmach at apis.de>
  Date:   2019-04-04 (Thu, 04 Apr 2019)

  Changed paths:
    M src/ZServer/Zope2/Startup/tests/test_warnfilter.py

  Log Message:
  -----------
  Adjust tests to updated ZConfig package.

ZConfig 3.4.0 introduced some breaking changes with error handling.

cf https://github.com/zopefoundation/ZConfig/pull/55

modified:   src/ZServer/Zope2/Startup/tests/test_warnfilter.py