@Test
  public void testIsMulticastAllowedWithOldVersionSurpriseMember() {
    MembershipView<MemberIdentifier> view = createMembershipView();
    manager.addSurpriseMember(createSurpriseMember(OLDER_THAN_CURRENT_VERSION));

    manager.processView(view);

    assertThat(manager.getGMSManager().isMulticastAllowed()).isFalse();
  }
This test ensures that the membership manager can accept an ID that does not have a UUID and
replace it with one that does have a UUID from the current membership view.
geode-membership/src/integrationTest/java/org/apache/geode/distributed/internal/membership/gms/GMSMembershipJUnitTest.java