qa_crowbarsetup: fix tempest node assignment in HA mode
qa_crowbarsetup: fix tempest node assignment in HA mode

SUSE-Cloud/automation,vmoravec/automation,aspiers/automation,SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,vmoravec/automation,gosipyan/automation,gosipyan/automation