@Override
  public boolean remove(String path, int options) {
    if (path.equals("/")) {
      pathToRecords.clear();
      pathToStats.clear();
      notifyListeners("/", HelixStoreOperator.StoreOperationType.DELETE);
    } else {
      pathToRecords.remove(path);
      pathToStats.remove(path);
      notifyListeners(path, HelixStoreOperator.StoreOperationType.DELETE);
    }
    return true;
  }
Constructor for {@code MockHelixPropertyStore}.
@param shouldFailSetOperation A binary indicator to specify if the {@link #set(String, Object, int)} operation
                              should fail.
@param shouldRemoveRecordBeforeNotify A boolean indicator to specify if the record should be removed before
                                       notifying listeners.
ambry-clustermap/src/test/java/com/github/ambry/clustermap/MockHelixPropertyStore.java