Functional Tests [3/3]: Added static source routing functional test

Change-Id: I4188e6ee5daea12fbd35cb8e1c87782e9605c7cd
Signed-off-by: Assaf Muller <amuller@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/18041
Reviewed-by: Dan Kenigsberg <danken@redhat.com>