@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 DST member", bucket);

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

          assertTrue("DST member is not hosting bucket", bucket.isHosting());
          assertNotNull("BucketRegion is null on DST member", bucketRegion);
          assertEquals(redundantCopies, bucket.getBucketAdvisor().getBucketRedundancy());
        }
      }
Creates colocated buckets on two members. Then brings up a third member and moves the
non-primary colocated buckets to it.
geode-core/src/distributedTest/java/org/apache/geode/cache/management/ResourceManagerDUnitTest.java