ixia_rhelper.vnfd_helper.port_pairs.all_ports = []
with mock.patch.object(ixia_rhelper, 'generate_samples'), \
mock.patch.object(ixia_rhelper, '_build_ports'), \
ixia_rhelper.vnfd_helper.port_pairs.all_ports = []
with mock.patch.object(ixia_rhelper, 'generate_samples'), \
mock.patch.object(ixia_rhelper, '_build_ports'), \