Hidden bonds[1/2]: Adding a test to cover the current implementation of nics().

Change-Id: Idde9ce51025e97c176ffa95aa0f81bcbc639f96f
Signed-off-by: Giuseppe Vallarelli <gvallare@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/16238
Reviewed-by: Dan Kenigsberg <danken@redhat.com>