def METHOD_NAME(self):
    with self.get_tmp_user() as user:
        with self.get_tmp_group() as group:
            test_group_members_url = urljoin(group.group_url, '/members/')
            data = {'user_name': user.user_name}
            res = self.put(test_group_members_url, data=data).json()
            self.assertTrue(res['success'])
            res = self.delete(test_group_members_url, data=data).json()
            self.assertTrue(res['success'])