Checking of host_status is added for non-admin user to see that
installer have properly set the Nova policy.json like:
"os_compute_api:servers:show:host_status": "rule:admin_or_owner"
JIRA: DOCTOR-61
Change-Id: Ieee997951b54f25b698ef0b70a628cfcf87b396a Signed-off-by: Tomi Juvonen <tomi.juvonen@nokia.com>