Updated openstack/openstack
Project: openstack/requirements  d66f8fc4d2e0cf37464d3cecf6cc2c5d8dec70f1

Exclude testtools 1.4.0

When running tempest with testtools 1.4.0 attributes aren't being added to the
test_id. This causes the regex excludes we use for the slow tests in tempest to not
work, and the slow jobs get run everywhere, while the slow jobs fail to have any tests. 

Change-Id: I561e98bf363d2dd8e8b3a20cea7d2dcbfa034e98