Teknium 4d119bb62a test: blank platform-gating env vars in hermetic fixture ...

load_gateway_config() has a side effect: when config.yaml contains
platform-gating keys (slack.require_mention, slack.strict_mention,
slack.free_response_channels, slack.allow_bots, slack.reactions, plus
analogous keys for discord/telegram/whatsapp/dingtalk/matrix), it calls
os.environ[KEY] = ... to bridge them to env-var form.

monkeypatch.delenv doesn't track direct os.environ mutations made
inside the test body, so tests that call load_gateway_config() leak
those env vars into later tests on the same xdist worker. The failure
mode is flaky seed-dependent: test_top_level_message_requires_mention_
even_with_session (and siblings in TestThreadReplyHandling) pass when
SLACK_REQUIRE_MENTION is unset but fail when a leaked value of 'false'
is present.

Add the gating env vars to _HERMES_BEHAVIORAL_VARS so the hermetic
autouse fixture blanks them on every test setup, closing the leak
regardless of which test sets them.

2026-04-26 12:23:20 -07:00

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