@Override
      public void run() {
        for (final String s : regionPath) {
          PartitionedRegion pr = (PartitionedRegion) getCache().getRegion(s);

          Bucket bucket = pr.getRegionAdvisor().getBucket(0);

          assertNotNull("Bucket is null on SRC member for " + s, bucket);

          BucketRegion bucketRegion =
              bucket.getBucketAdvisor().getProxyBucketRegion().getHostedBucketRegion();

          assertTrue("SRC member is not hosting bucket for " + s, bucket.isHosting());
          assertNotNull("BucketRegion is null on SRC member for " + s, bucketRegion);

          int redundancy = bucket.getBucketAdvisor().getBucketRedundancy();
          assertEquals("SRC member reports redundancy " + redundancy + " for " + s,
              redundantCopies, redundancy);
        }
      }
Creates colocated buckets on two members. Then brings up a third member and creates an extra
redundant copy of the buckets on it.
geode-core/src/distributedTest/java/org/apache/geode/cache/management/ResourceManagerDUnitTest.java