test_retry_descriptor_detects_truncation intermittent failure

[xtqqczze]

  stdout ───

    running 1 test
    bin: "/home/runner/work/coreutils/coreutils/target/debug/coreutils"
    run: /home/runner/work/coreutils/coreutils/target/debug/coreutils tail -s.1 --max-unchanged-stats=1 --follow=descriptor --retry watchme ---disable-inotify
    touch: /tmp/.tmpTaz8ea/watchme
    write(truncate): /tmp/.tmpTaz8ea/watchme
    write(truncate): /tmp/.tmpTaz8ea/watchme
    test test_tail::test_retry_descriptor_detects_truncation ... FAILED

    failures:

    ---- test_tail::test_retry_descriptor_detects_truncation stdout ----
    ---- test_tail::test_retry_descriptor_detects_truncation stderr ----


    failures:
        test_tail::test_retry_descriptor_detects_truncation

    test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 5812 filtered out; finished in 1.15s
    
  stderr ───

    thread 'main' (58361) panicked at tests/by-util/test_tail.rs:1472:14:
    assertion failed: `(left == right)`

    Diff < left / right > :
     tail: warning: --retry only effective for the initial open
     tail: cannot open 'watchme' for reading: No such file or directory
     tail: 'watchme' has appeared;  following new file
    >tail: watchme: file truncated
     


    note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: test run failed
Error: Process completed with exit code 100.

https://github.com/uutils/coreutils/actions/runs/33324689551/job/99292635561?pr=14252