@Test
  public void giiEventQueueFromCurrentToOldMemberShouldSucceed() {
    final IgnoredException expectedEx =
        IgnoredException.addIgnoredException(ConnectException.class.getName());
    giiEventQueueShouldSucceedWithMixedVersions(VmConfiguration.current(), clientVmConfiguration);
    expectedEx.remove();
  }
A client should advertise its protocol version, which may not be the same
as its product version.
geode-cq/src/upgradeTest/java/org/apache/geode/internal/cache/tier/sockets/ClientServerMiscBCDUnitTest.java