This removes a lot of duplication and simplifies the test
code.
It returns the command returncode and the JSON data (if any)
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Francois Cami <fcami@redhat.com>
Added testcase to verify that ipa-healthcheck tool displays a
warning if no DNS range is set. It previously just reported at the
SUCCESS level that no range was set.
Issue: freeipa/freeipa-healthcheck#60
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Francois Cami <fcami@redhat.com>