@Test
  public void testUseOldJChannel() throws Exception {
    initMocks(false, true);
    ((TestMembershipConfig) membershipConfig).oldMembershipInfo =
        new MembershipInformationImpl(messenger.myChannel,
            new ConcurrentLinkedQueue<>(), null);
    JGroupsMessenger newMessenger = new JGroupsMessenger();
    newMessenger.init(services);
    newMessenger.start();
    newMessenger.started();
    newMessenger.stop();
    assertTrue(newMessenger.myChannel == messenger.myChannel);
  }
messages for the Manager that were queued by a quorum checker shouldn't be delivered to
a Manager
geode-membership/src/integrationTest/java/org/apache/geode/distributed/internal/membership/gms/messenger/JGroupsMessengerJUnitTest.java