Adapt argus to the newest tempest API
Adapt argus to the newest tempest API

Conflicts:
	argus/scenarios/base.py

AlexandruTudose/cloudbase-init-ci,PCManticore/argus-ci,stefan-caraiman/cloudbase-init-ci,cloudbase/cloudbase-init-ci,cmin764/argus-ci,micumatei/cloudbase-init-ci