@Override
      public void run() {
        for (final String s : regionPath) {
          Region pr = getCache().getRegion(s);
          pr.destroyRegion();
        }
      }
Creates partitioned regions in multiple vms and fully exercises the internal-only
getInternalPRDetails API on ResourceManager.
geode-core/src/distributedTest/java/org/apache/geode/cache/management/ResourceManagerDUnitTest.java