Adding one of the DB disconnect tests
3 more tests, factoring out some duplicate code in each.
Minor fixes, all four new tests passing on 5.2.x
Fixing tests and rebasing on master
GPG signing for PR tester
comment out rbac test
Merge pull request #1332 from dajohnso/comment_out_test

comment out rbac test
fix random restart worker failure
Merge pull request #1333 from dajohnso/fix_restart_workers

fix random restart worker failure
Merge pull request #1169 from blrm/disconnect_tests

Replication disconnection tests