docs: def approve_task(self, task_id):
          """ Returns dict of tasks matching the provided filters """
          uri = 'tasks/%s' % task_id
  
          data = {"approved": True}
  
          resp, body = self.post(uri, json.dumps(data))
          self.expected_success(200, resp.status)
          body = json.loads(body)
          return rest_client.ResponseBody(resp, body)