private void addColocatedChildRecursively(Map<String, PartitionedRegion> prMap,
      PartitionedRegion pr) {
    for (PartitionedRegion colocatedRegion : getColocatedChildRegions(pr)) {
      addColocatedChildRecursively(prMap, colocatedRegion);
    }
    prMap.put(pr.getFullPath(), pr);
  }
For use by unit tests to inject a mocked ccpTimer
geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java