Comment 1 for bug 1658582

Reviewed: https://review.openstack.org/423917
Committed: https://git.openstack.org/cgit/openstack/python-openstackclient/commit/?id=5cf77bb672eeb28327cac8bc0a8227c8b7137819
Submitter: Jenkins
Branch: master

commit 5cf77bb672eeb28327cac8bc0a8227c8b7137819
Author: Hongbin Lu <email address hidden>
Date: Mon Jan 23 00:04:02 2017 -0600

    Handle 403 error on creating trust

    Currently, creating trust requires permission to list roles, but
    non-admin users don't have permission to do that by default. This
    commit adds exception handling on listing roles, and continue to
    create trust if server returns 403.

    Closes-Bug: #1658582
    Change-Id: I4f016b76cb46ae07ef65ed54780881bbcd6210d3