@Test(expected = AddressNotFoundException.class)
public void testUnkownIpRequired() throws Throwable {

  GeoIpOperation op = setup(Arrays.asList(GeoProperty.LOCATION), true);
  DummpyMapEvent devent = new DummpyMapEvent();
  devent.setField("ip_address", "10.0.0.1");
  InternalEvent ievent = new InternalEvent("", null, 0);
  ievent.setEventObj(devent);
  try {
    op.perform(ievent);
  } catch (OperationException e) {
    throw e.getCause();
  }
}