def METHOD_NAME(self) -> None:
    c = Config(["test.py", "--cpus", "1", "--utility", "2"])
    s = FakeSystem()
    stage = m.CPU(c, s)
    assert stage.spec.workers == 2
    assert stage.spec.shards == [
        Shard([(0, 1, 2)]),
        Shard([(3, 4, 5)]),
    ]