
As part of running tripleo standalone jobs at fedora28 we found that parts of tempestconf were not adapted to python3, this review just add needed stuff to run tripleo-fedora-28-standalone job there. Story: https://tree.taiga.io/project/tripleo-ci-board/task/478?kanban-status=1447276 Change-Id: I850ff56c4ced2f3cbab05bb8c3b120e112a2acdd