[Checkins] [zopefoundation/Zope] 050295: - add test and do value coercion if needed

[Jens Vagelpohl]

  Branch: refs/heads/issue_623
  Home:   https://github.com/zopefoundation/Zope
  Commit: 050295b65612df339795a0bed9bdbb6e0f789334
      https://github.com/zopefoundation/Zope/commit/050295b65612df339795a0bed9bdbb6e0f789334
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-05-17 (Fri, 17 May 2019)

  Changed paths:
    M src/App/ApplicationManager.py
    M src/App/tests/test_ApplicationManager.py

  Log Message:
  -----------
  - add test and do value coercion if needed