private void createRegion(final VM whichVm, final String regionPath, final int localMaxMemory,
      final int numBuckets, final int redundantCopies) {
    createRegion(whichVm, regionPath, localMaxMemory, numBuckets, redundantCopies, null);
  }
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