boolean getAndClearWokenUpStatus() {
    boolean ret = wokenUp;
    wokenUp = false;
    return ret;
  }
This returns the wokenUp status of this object and clears the status.
@return true if this MockNetworkClient was woken up since the last call to this method.
ambry-router/src/test/java/com/github/ambry/router/MockNetworkClient.java