def test_get_replay_file_name(replay_file_name) -> None:
    """Make sure that replay.get_file_name generates a valid json file path."""
    exp_replay_file_path = os.path.join('foo', 'bar.json')
    replay_file_path = replay.get_file_name('foo', replay_file_name)
    assert replay_file_path == exp_replay_file_path
Make sure that replay.get_file_name generates a valid json file path.
tests/replay/test_replay.py