test_runner,docs: align documentation with actual stdout/stderr behavior
refs: https://github.com/nodejs/node/issues/53103#issuecomment-2125716659
see tests verifying this behavior: https://github.com/nodejs/node/blob/c7a63b074017b57e5c8a3341151696039ae49499/test/parallel/test-runner-v8-deserializer.mjs#L50
Review requested:
- [ ] @nodejs/test_runner
The subsystem should be doc, not docs
CI: https://ci.nodejs.org/job/node-test-pull-request/59416/
CI: https://ci.nodejs.org/job/node-test-pull-request/59420/
CI: https://ci.nodejs.org/job/node-test-pull-request/59441/
CI: https://ci.nodejs.org/job/node-test-pull-request/59479/
CI: https://ci.nodejs.org/job/node-test-pull-request/59484/
Landed in 4796e05cc87a48d7a7069a468aada23df3af5336