[Checkins] [zopefoundation/ZEO] 576deb: Run tests sequentially.

[GitHub]

  Branch: refs/heads/py37
  Home:   https://github.com/zopefoundation/ZEO
  Commit: 576debf25d9b65ae83d7ce4b93948320ecde6f34
      https://github.com/zopefoundation/ZEO/commit/576debf25d9b65ae83d7ce4b93948320ecde6f34
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-11-07 (Wed, 07 Nov 2018)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Run tests sequentially.



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