fix(tests): split stdout/stderr into separate channels

[aaronArinder]

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@aaronArinder, please consider creating a changeset entry in /.changesets/. These instructions describe the process and tooling.

[carodewig]

Good find! Only question is whether any of the tests rely on stderr being captured - but if CI passes that shouldn't be a problem

[aaronArinder]

nope! at least locally (and for the first ci run, which I reran for an unrelated thing)

…

On Wed, Jan 28, 2026 at 1:37 PM Caroline Rodewig ***@***.***> wrote: ***@***.**** commented on this pull request. Good find! Only question is whether any of the tests rely on stderr being captured - but if CI passes that shouldn't be a problem — Reply to this email directly, view it on GitHub <#8839 (review)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AGMABHD3274WK4CATLA2XYL4JD6WLAVCNFSM6AAAAACTGVL3SOVHI2DSMVQWIX3LMV43YUDVNRWFEZLROVSXG5CSMV3GSZLXHMZTOMJYGM3TEMJXGA> . You are receiving this because you were mentioned.Message ID: ***@***.***>