test-http-keep-alive-empty-line is flaky

[joyeecheung]

Test

parallel/test-http-keep-alive-empty-line

Platform

Linux ARM64

Console output

not ok 1876 parallel/test-http-keep-alive-empty-line
  ---
  duration_ms: 3582.76000
  severity: fail
  exitcode: 1
  stack: |-
    node:events:486
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_STREAM_WRITE_AFTER_END]: write after end
        at _write (node:internal/streams/writable:487:11)
        at Writable.write (node:internal/streams/writable:508:10)
        at Timeout._onTimeout (file:///home/iojs/build/workspace/node-test-commit-arm-debug/test/parallel/test-http-keep-alive-empty-line.mjs:32:14)
        at listOnTimeout (node:internal/timers:608:17)
        at process.processTimers (node:internal/timers:543:7)
    Emitted 'error' event on Socket instance at:
        at emitErrorNT (node:internal/streams/destroy:170:8)
        at emitErrorCloseNT (node:internal/streams/destroy:129:3)
        at process.processTicksAndRejections (node:internal/process/task_queues:90:21) {
      code: 'ERR_STREAM_WRITE_AFTER_END'
    }
    
    Node.js v25.0.0-pre
  ...

Build links

Reason	parallel/test-http-keep-alive-empty-line
Type	JS_TEST_FAILURE
Failed PR	7 (https://github.com/nodejs/node/pull/59507/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59550/, https://github.com/nodejs/node/pull/59464/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59558/)
Appeared	test-equinix-ubuntu2204_container-arm64-4, test-equinix-rhel8_container-arm64-2, test-equinix-ubuntu2204_container-arm64-6
First CI	https://ci.nodejs.org/job/node-test-pull-request/68737/
Last CI	https://ci.nodejs.org/job/node-test-pull-request/68798/

Additional information

This test was added in #58178 and has been flaky some time after that.