ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();
FieldSelector fieldSelector = new FieldSelector();
fieldSelector.register( "other", new FieldSelector() );
CompositeSelector selector = new CompositeSelector( resolver.getBaseSelector(), fieldSelector );
resultTraverser.traverse( input, selector, model, requestContext );
Map<String, Object> objectTree = model.getUnderlyingModel();
Assert.assertEquals( 0, objectTree.get( "id" ) );
Assert.assertEquals( "someValue", objectTree.get( "other" ) );