Function test_format_int_width_and_grouping

crates/common/src/format.rs:1539–1544

()

    #[test]
    fn test_format_int_width_and_grouping() {
        // issue #5922: width + comma grouping should pad left, not inside the number
        let spec = FormatSpec::parse("10,").unwrap();
        let result = spec.format_int(&BigInt::from(1234)).unwrap();
        assert_eq!(result, "     1,234"); // CPython 3.13.5
    }

    #[test]
    fn test_format_int_padding_with_grouping() {