'Click the edit button for the response, loading the editing view'

def start_response_edit(self, response_id):

    with self.secondary_action_menu_open('.response_{}    .discussion-response'.format(response_id)):
        self._find_within('.response_{}    .discussion-response    .action-edit'.format(response_id)).first.click()
        EmptyPromise((lambda : self.is_response_editor_visible(response_id)), 'Response    edit    started').fulfill()
