[Checkins] [zopefoundation/Zope] abfcb9: - bring back tests, this time as unit tests

[Jens Vagelpohl]

  Branch: refs/heads/issue_450
  Home:   https://github.com/zopefoundation/Zope
  Commit: abfcb9aaab54239d7310a240a9ca3d6cb2a3d45a
      https://github.com/zopefoundation/Zope/commit/abfcb9aaab54239d7310a240a9ca3d6cb2a3d45a
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-04-30 (Tue, 30 Apr 2019)

  Changed paths:
    A src/Products/Five/utilities/browser/tests/__init__.py
    A src/Products/Five/utilities/browser/tests/test_marker.py

  Log Message:
  -----------
  - bring back tests, this time as unit tests