docs: @Override
      protected void after() {
          super.after();
          if (adminSession != null) {
              LOG.info("Logging off {}", adminSession.getUserID());
              adminSession.logout();
              adminSession = null;
          }
          if (anonSession != null) {
              LOG.info("Logging off {}", anonSession.getUserID());
              anonSession.logout();
              anonSession = null;
          }
          for (final Session session : userSessions.values()) {
              LOG.info("Logging off {}", session.getUserID());
              session.logout();
          }
          userSessions.clear();
          LOG.info("Closed all sessions");
      }