The recent refactoring done in c50624cd accidentally broke a portion of
the kerberos tests checking after a query, so add its functionality
back.  Some inactive SSL tests had their arguments in an incorrect
order, which would cause them to fail if they were to run.

Author: Jacob Champion
Discussion: https://postgr.es/m/4f5b0b3dc0b6fe9ae6a34886b4d4000f61eb567e.camel@vmware.com