Repository<POI> poiRepo = conn.getPOIRepository();
POI poi = poiRepo.getByID("0");
final Point2D newPos = new Point2D.Double(0, 0);
ChangePositionQuery q = poi.getChangePositionQuery();
q.setValue(newPos);
q.run();
final Point2D pos = poi.getReadPositionQuery().get();
assertEquals(newPos.getX(), pos.getX(), DELTA);
assertEquals(newPos.getY(), pos.getY(), DELTA);
}