@Override
  public <K, V> void setRegionAttributes(String id, RegionAttributes<K, V> attrs) {
    if (attrs == null) {
      namedRegionAttributes.remove(id);
    } else {
      namedRegionAttributes.put(id, attrs);
    }
  }
For use by unit tests to inject a mocked ccpTimer
geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java