overlayConfig.put("serving.model-manager-class", ALSServingModelManager.class.getName());
Config config = ConfigUtils.overlayOn(overlayConfig, getConfig());
startMessageQueue();
startServer(config);
startUpdateQueues(new MockModelUpdateGenerator(), 10);
ALSServingModelManager manager = (ALSServingModelManager)
getServingLayer().getContext().getServletContext().getAttribute(
AbstractALSResource.MODEL_MANAGER_KEY);