[Checkins] [zopefoundation/ZEO] ec718f: Fixed insideous test failure

[GitHub]

  Branch: refs/heads/fix22
  Home:   https://github.com/zopefoundation/ZEO
  Commit: ec718f5a57599b7b8aa33b94804aceecefe6d2f9
      https://github.com/zopefoundation/ZEO/commit/ec718f5a57599b7b8aa33b94804aceecefe6d2f9
  Author: Jim Fulton <jim at zope.com>
  Date:   2016-06-07 (Tue, 07 Jun 2016)

  Changed paths:
    M src/ZEO/tests/ConnectionTests.py

  Log Message:
  -----------
  Fixed insideous test failure

A test was counting on a cache being written to, but it wasn't because
the storage got an invalidation later than expected (on suitably slow
machines, like travis and an AWS dev machine of mine).