'Call `list_users_in_group` with two `password_expires_at` filters.
GET /groups/{group_id}/users?password_expires_at=
{operator}:{timestamp}&{operator}:{timestamp}'

def _list_users_in_group_by_multiple_password_expires_at(self, first_time, first_operator, second_time, second_operator, expected_status=http_client.OK):

    url = (('/groups/' + self.group_id) + ('/users?password_expires_at=%s:%s&password_expires_at=%s:%s' % (first_operator, first_time, second_operator, second_time)))
    return url
