<oo-diagnostics> Bug 958283 - Node model changes

https://bugzilla.redhat.com/show_bug.cgi?id=958283

Updates test_node_profiles_districts_from_broker for node model
changes.
Merge pull request #20 from detiber/bz958283

<oo-diagnostics> Bug 958283 - Node model changes
Removing the fix_passenger hack now that Bug 959583 is fixed