After scenarios, log out of CAS *and* the application.
After scenarios, log out of CAS *and* the application.

Aker's /logout endpoint does both for us.

Failure to do this results in stale PGT data hanging around in the
application session.

NUBIC/ncs_navigator_pancakes,NUBIC/ncs_navigator_pancakes,NUBIC/ncs_navigator_pancakes