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>=node-16.0.0: failed test # 12 in parallel/test-repl-history-navigation #38558

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@mkszuba

Description

  • Version: 16.0.0, 16.1.0
  • Platform: Linux

What steps will reproduce the bug?

For me, it occurs when I running the Node.js Python test suite:

python3.8 tools/test.py --mode=Release --flaky-tests=dontcare -J message parallel sequential

How often does it reproduce? Is there a required condition?

Always.

What is the expected behavior?

All tests pass.

What do you see instead?

One of the tests fail, see the attachment for its output.

== release test-repl-history-navigation ===
Path: parallel/test-repl-history-navigation
Failed test # 12
Last outputs: [
  '> ',
  'c',
  'o',
  'n',
  's',
  't',
  ' ',
  'u',
  't',
  'i',
  'l',
  ' ',
  '=',
  ' ',
  '{',
  '}',
  'undefined\n',
  '> ',
  'u',
  't',
  ' // il',
  'il'
]
/tmp/node-v16.1.0/test/parallel/test-repl-history-navigation.js:645
            throw e;
            ^

AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:
+ actual - expected

+ 'il'
- '\n// {}'
    at Writable.write [as _write] (/tmp/node-v16.1.0/test/parallel/test-repl-history-navigation.js:639:20)
    at writeOrBuffer (node:internal/streams/writable:389:12)
    at _write (node:internal/streams/writable:330:10)
    at Writable.write (node:internal/streams/writable:334:10)
    at REPLServer._writeToOutput (node:readline:451:17)
    at REPLServer.Interface._insertString (node:readline:618:12)
    at node:internal/repl/utils:272:14
    at completionGroupsLoaded (node:repl:1501:5)
    at REPLServer.complete (node:repl:1403:7)
    at REPLServer.completer (node:repl:709:5) {
  generatedMessage: true,
  code: 'ERR_ASSERTION',
  actual: 'il',
  expected: '\n// {}',
  operator: 'strictEqual'
}
Command: out/Release/node --expose-internals /tmp/node-v16.1.0/test/parallel/test-repl-history-navigation.js

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