Get rid of notified_last_change: update Mailman test.
Get rid of notified_last_change: update Mailman test.

ari/jobsworth,evinoca/clockingit,webstream-io/jobsworth,ari/jobsworth,arunagw/clockingit,xuewenfei/jobsworth,digitalnatives/jobsworth,arunagw/clockingit,rafaspinola/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth,webstream-io/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,ari/jobsworth,digitalnatives/jobsworth,arunagw/clockingit,evinoca/clockingit,ari/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,digitalnatives/jobsworth,webstream-io/jobsworth,webstream-io/jobsworth