@Override
      public void run() {
        System.out.println("[testClientMembershipEventsInServer] Stop bridge client");
        getRootRegion().getSubregion(name).close();
        Map m = PoolManager.getAll();
        for (final Object o : m.values()) {
          Pool p = (Pool) o;
          p.destroy();
        }
      }
Tests notification of events in server process. cache servers detect client joins when the
client connects to the server.
geode-core/src/distributedTest/java/org/apache/geode/cache30/ClientMembershipDUnitTest.java