def test_js(self):
widget = MultiContentSearchWidget(self.request)
widget.context = self.obj
widget.name = 'test'
widget.field = List(value_type=Choice(title=u"Selection",
source=PathSourceBinder(portal_type='Document')))
result = widget.js_extra()
self.assertIn('$(\'#test-widgets-query\').each(function()', result)
