def METHOD_NAME() -> None:
    exe = os.path.join(DATAFILES_PATH, 'bernoulli' + EXTENSION)
    jdata = os.path.join(DATAFILES_PATH, 'bernoulli.data.json')
    sampler_args = SamplerArgs()
    chain_ids = [11, 12, 13, 14]
    cmdstan_args = CmdStanArgs(
        model_name='bernoulli',
        model_exe=exe,
        chain_ids=chain_ids,
        data=jdata,
        method_args=sampler_args,
    )
    runset = RunSet(args=cmdstan_args, chains=4, chain_ids=chain_ids)
    assert 'id=11' in runset.cmd(0)
    assert '_11.csv' in runset._csv_files[0]
    assert 'id=14' in runset.cmd(3)
    assert '_14.csv' in runset._csv_files[3]