Updated openstack/openstack
Project: openstack/nova  435bc7f3c760d05694421997c25faa354cd1352d
null
Give migrations tests more time to run

Migrations tests usually take longer to run that most other
tests. Increase the time out value just for migrations tests,
so that we don't hit various time out errors running unit tests
when CI test nodes slow down a bit.

Closes-Bug: #1216851

Change-Id: I48d7c125397cd282d52eb8e1a1ccb699188d8f14