Use the process-test-results role from zuul-jobs to generate the
subunit file and html report.
Depends-on: Id6149d4e265ab9f0ab6d8faeffdec651c63dc056
Change-Id: Ib8a43a7d6e4afdca6b2e30d3e7be58b1ac771436
Stage three tempest conf and log files for archival using the
stage-output role.
Depends-on: Id45a50821539985710da7172a9185fd91e803603
Change-Id: Id67dbf3df5af52e848b8d378bc13aaa1c02cdd29