Tests were not passing due to postgresql cookbook

Changes to the upstream postgresql cookbook broke tests.
Gemfile.lock was updated to bring in fauxhai 1.1.1 which
has these attributes mocked.

Also, Berksfile.lock shouldn't be checked in.  Removed from
this patch, since it impacts testing.

Change-Id: Ic33bd1121b1612ee415de9e51f649f3c9c0a9763