Restore functional test jobs
Restore functional test jobs

These were disabled in I55e204b72cd5a2876576852b10ad09f24d04beb4 to
reduce the gate failure rate while we eliminated duplicate tests in heat
and heat-tempest-plugin.

Change-Id: Ifd2aececfa5b1b0f2c8959ad500d4d3197427d19

openstack/heat,noironetworks/heat,noironetworks/heat,openstack/heat