def METHOD_NAME(fx_clear_cmd_line_args):
    # Test reading from app.config
    opts = AppArgumentParser(config_file=mock_paths.MOCK_APP_CONFIG).parse_args()
    assert isinstance(opts.get("log_backup_count"), int)
    assert opts.get("log_backup_count") == 11
    # Test default value - commented out in app.config
    opts = AppArgumentParser(config_file=mock_paths.MOCK_COMMENTED_APP_CONFIG).parse_args()
    assert isinstance(opts.get("log_backup_count"), int)
    assert opts.get("log_backup_count") == AppArgumentParser.DEFAULT_LOG_BACKUP_COUNT # default
    # Test overwriting
    sys.argv.extend(["--log_backup_count", "5"])
    opts = AppArgumentParser(config_file=mock_paths.MOCK_APP_CONFIG).parse_args()
    assert isinstance(opts.get("log_backup_count"), int)
    assert opts.get("log_backup_count") == 5
    # Test if over limit
    sys.argv.extend(["--log_backup_count", str(MIN_BACKUP_COUNT-1)])
    with pytest.raises(ValueError, match="log_backup_count must be a positive value"):
        AppArgumentParser(config_file=mock_paths.MOCK_APP_CONFIG).parse_args()