Autoselect select event problem

gistfile1.js

Form.editors.AutoSelect = Form.editors.Text.extend({

  initialize: function(options) {
    var _this = this;

    Form.editors.Text.prototype.initialize.call(this, options);

    this.$el.autocomplete({
      ...
      select: function(event, ui) {
        _this.setValue(ui.item);
        return false;
      }
    });
  }
  ...
}

test('select event calls out', function() {
  var editor = new Editor().render();
  $('#qunit-fixture').append(editor.el);
  sinon.stub(editor, 'setValue');

  editor.$el.on( 'autocompleteselect', function() {
    ok( true, 'editor was selected');
  });

  // editor.$el.trigger('select');
  editor.$el.trigger( $.Event('autocompleteselect') );

  ok(editor.setValue.called, 'called setValue');
});