@Override
    public boolean enforceUniqueZones() {
      return clusterDistributionManager.enforceUniqueZone();
    }
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