Updated openstack/openstack
Project: openstack/trove  5b43106d2a01817dfc4db7e40821b917660ac49b
null
Fix deleted_at timestamp in usage tests

* use the mgmt api to look up the instance for the deleted_at time

Closes-Bug: 1236620

Change-Id: I96d46f9f48616124f59efeb1292cfe0768b6318c