This same test, using a different juju version, passed on the MAAS environment before and after this 1.24 failure. Since these other tests installed cs:trusty/juju-gui-27 successfully, I think that rules out network setup issues with contacting the charm store.
This same test, using a different juju version, passed on the MAAS environment before and after this 1.24 failure. Since these other tests installed cs:trusty/ juju-gui- 27 successfully, I think that rules out network setup issues with contacting the charm store.