Comment 2 for bug 1681988

Reviewed: https://review.openstack.org/457625
Committed: https://git.openstack.org/cgit/openstack/barbican/commit/?id=f4fc902fdbf269c799cef78eea98b79970131b49
Submitter: Jenkins
Branch: master

commit f4fc902fdbf269c799cef78eea98b79970131b49
Author: Dave McCowan <email address hidden>
Date: Tue Apr 18 09:01:19 2017 -0400

    Fix test cases expect Ubuntu specific assertion messages

    Ubuntu and CentOS throw different exception messages for
    SQL contraint checking. The test cases can only assume
    assertion messages created by Barbican.

    Change-Id: Ic1ef76acbe178cfd5c6f2d3ab9ff97c652a3e604
    Closes-bug: #1681988