tests: fix typo

I've pushed a wrong version of the patch instead of the verified one

Change-Id: Ia6395780c007a65e55ae717ce9e876a8e4558afc
Signed-off-by: Dan Kenigsberg <danken@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/32117
Reviewed-by: Petr Horáček <phoracek@redhat.com>
Reviewed-by: Michal Skrivanek <michal.skrivanek@redhat.com>
Tested-by: Michal Skrivanek <michal.skrivanek@redhat.com>