Add query for oslo.messaging unit test race bug 1283926

This is already fixed on master but since there is (oddly) a
stable/icehouse branch for oslo.messaging that gets global-requirements
changes sync'ed to it, it can show up on stable/icehouse still.

Related-Bug: #1283926

Change-Id: I03ebfb8263573b2da2f744ca7c64f3fa403b7655
Merge "Add query for oslo.messaging unit test race bug 1283926"