Updated openstack/openstack
Project: openstack/python-keystoneclient  aefa61356ca1693d8ec5402e58e8af2ece61f9b6
null
Set the right permissions for signing_dir in tests

This partially fixes a bug with permissions warnings being logged
during the tests.

Change-Id: Ia399a52a49a0ca9d6b74ea90147beea42a36b24d
Partial-Bug: #1219480