def METHOD_NAME(name, run_line):
    """Verify that empty strings are converted to empty lists in the request body."""
    flow_id = load_response("flows.update_flow").metadata["flow_id"]
    # "--format json" prevents Auth calls that would need to be mocked.
    command = f'globus flows update {flow_id} --{name} "" --format json'
    run_line(command)
    request = get_last_request()
    key = name if name == "keywords" else f"flow_{name}"
    assert json.loads(request.body)[key] == []