Disable scenario test for trunk subports connectivity on Queens

On Queens release by default iptables-hybrid firewall driver is used.
Using trunks with iptables-hybrid driver is not supported so we need
to skip test
neutron_tempest_plugin.scenario.test_trunk.TrunkTest.test_subport_connectivity
on Queens jobs.

Change-Id: Id212c35b71ca9e9af1ea546483c14fd597d895a8
Related-Bug: #1838760
1 file changed