Add unittest tips jobs
Add unittest tips jobs

Changes to keystoneauth and os-client-config are deeply important to
shade. Add a job that runs shade's unittests against their master
branches.

Change-Id: I5b411be5c5aa43535fa89a51d6099aadd7a8ea60
Depends-On: Ifa5cc3e335b9e9ad52c4c5c9ab71aaea70d4c9aa
Depends-On: I387f01557afc36fd621197e2a97500ef44d7aace

openstack-infra/shade,openstack-infra/shade