[Checkins] [zopefoundation/Zope] ce76be: use assertIsNone

[GitHub]

  Branch: refs/heads/fix_deprecation_resource_warnings
  Home:   https://github.com/zopefoundation/Zope
  Commit: ce76be62457eb1549effe1b2bba5654176bc5827
      https://github.com/zopefoundation/Zope/commit/ce76be62457eb1549effe1b2bba5654176bc5827
  Author: tschorr <t_schorr at gmx.de>
  Date:   2018-10-05 (Fri, 05 Oct 2018)

  Changed paths:
    M src/ZPublisher/tests/test_xmlrpc.py

  Log Message:
  -----------
  use assertIsNone



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