neutron: skip test_deallocate_for_instance_2* in py34 job
neutron: skip test_deallocate_for_instance_2* in py34 job

For whatever reason the two tests race fail in the py34 job at a rate of
about 12 hits per week. These aren't problems in the py27 job.

Since no one seems to be looking at these, and the unit tests should
always be passing, let's just skip the tests for now.

Change-Id: Ia0243d91cb00c610df1b29df983d5c6abe0a89c4
Related-Bug: #1521599

vmturbo/nova,BeyondTheClouds/nova,sebrandon1/nova,openstack/nova,rajalokan/nova,cernops/nova,bigswitch/nova,cernops/nova,rajalokan/nova,hanlind/nova,sebrandon1/nova,hanlind/nova,phenoxim/nova,gooddata/openstack-nova,klmitch/nova,jianghuaw/nova,dims/nova,jianghuaw/nova,vmturbo/nova,mikalstill/nova,klmitch/nova,zhimin711/nova,sebrandon1/nova,BeyondTheClouds/nova,cernops/nova,klmitch/nova,cyx1231st/nova,rajalokan/nova,openstack/nova,mahak/nova,klmitch/nova,jianghuaw/nova,alaski/nova,zhimin711/nova,vmturbo/nova,rahulunair/nova,BeyondTheClouds/nova,rahulunair/nova,bigswitch/nova,cloudbase/nova,Juniper/nova,openstack/nova,hanlind/nova,mikalstill/nova,dims/nova,cloudbase/nova,Juniper/nova,NeCTAR-RC/nova,mahak/nova,rajalokan/nova,CEG-FYP-OpenStack/scheduler,Juniper/nova,gooddata/openstack-nova,alaski/nova,gooddata/openstack-nova,vmturbo/nova,NeCTAR-RC/nova,phenoxim/nova,jianghuaw/nova,CEG-FYP-OpenStack/scheduler,gooddata/openstack-nova,Juniper/nova,mahak/nova,cloudbase/nova,cyx1231st/nova,rahulunair/nova,mikalstill/nova