@Override
    public boolean areSameZone(InternalDistributedMember member1,
        InternalDistributedMember member2) {
      String zone1 = clusterDistributionManager.getRedundancyZone(member1);
      String zone2 = clusterDistributionManager.getRedundancyZone(member2);
      return zone1 != null && zone1.equals(zone2);
    }
When there are two servers one of which has overredundancy and a new server comes in
verify that the data and the primaryship is rebalanced properly.
geode-core/src/test/java/org/apache/geode/internal/cache/partitioned/rebalance/PartitionedRegionLoadModelJUnitTest.java