def test_update_cookie(self):
c = Cookie({"Set-Cookie": "new_param=marcos; another_new=ivan"})
c.update(self.cookie)
res = c.as_cookie_header_value()
self.assertIn("chips=ahoy", res)
self.assertIn("vienna=finger", res)
self.assertIn("new_param=marcos", res)
self.assertIn("another_new=ivan", res)
