Additional tool tests for exposed functions

Change-Id: Iae0f98a9218b38c94aa003fea832d6795e7f0f23
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/31940
Reviewed-by: mooli tayer <mtayer@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>