assertNotNull(editor.delegate.subscribe());
// Simulate edits occurring elsewhere in the module
SimpleFooRequest context = req.simpleFooRequest();
Request<SimpleFooProxy> request = context.persistAndReturnSelf().using(response);
SimpleBarProxy newBar = context.create(SimpleBarProxy.class);
newBar = context.edit(newBar);
newBar.setUserName("newBar");
response = context.edit(response);
response.setBarField(newBar);
response.setUserName("updated");