def METHOD_NAME():
    vars = ['TASKCLUSTER_' + x for x in ('ROOT_URL', 'CLIENT_ID', 'ACCESS_TOKEN')]
    if all(v in os.environ for v in vars):
        return False
    if 'NO_SKIP_TESTS' in os.environ:
        raise RuntimeError('NO_SKIP_TESTS is set but TASKCLUSTER_{ROOT_URL,CLIENT_ID,ACCESS_TOKEN} are not')
    return True