[Checkins] [zopefoundation/zope.sendmail] bea063: Make requiring of binary mode more explicit in tests.

[Michael Howitz]

  Branch: refs/heads/fix-maildir-2
  Home:   https://github.com/zopefoundation/zope.sendmail
  Commit: bea063e018d5d35cc88fb164ea70763c42ce0e11
      https://github.com/zopefoundation/zope.sendmail/commit/bea063e018d5d35cc88fb164ea70763c42ce0e11
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-04-03 (Wed, 03 Apr 2019)

  Changed paths:
    M src/zope/sendmail/tests/test_maildir.py

  Log Message:
  -----------
  Make requiring of binary mode more explicit in tests.