{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"assert_eq!(\"-999_999\","}]}
    assert_eq!("-999_999", isize_with_underscores(-999_999));
    assert_eq!("12_001", isize_with_underscores(12_001));
    assert_eq!("1_000_000", isize_with_underscores(1_000_000));