Use 127.0.0.1:10, matching existing refused-connection tests, instead
of binding and releasing an ephemeral port that can be reused before
the child process connects.
Clear NO_PROXY and no_proxy so local proxy bypass settings do not skip
the proxy connection attempt.
Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com>
Assisted-by: openai:gpt-5.5
PR-URL: https://github.com/nodejs/node/pull/63395
Refs: https://github.com/nodejs/reliability/blob/main/reports/2026-05-15.md#jstest-failure
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
