[Checkins] [zopefoundation/ZODB] 0adcc6: Fix tests with transaction 3.0.

[Jason Madden]

  Branch: refs/heads/transaction30
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 0adcc6877f690186c97cc5da7e13788946d5e0df
      https://github.com/zopefoundation/ZODB/commit/0adcc6877f690186c97cc5da7e13788946d5e0df
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2019-12-11 (Wed, 11 Dec 2019)

  Changed paths:
    M CHANGES.rst
    M src/ZODB/tests/testZODB.py
    R src/ZODB/tests/test_datamanageradapter.py

  Log Message:
  -----------
  Fix tests with transaction 3.0.

Only test changes were required, no production code changes.