# Context
Part of a CI flakiness sweep. `webhooks.integration-spec.ts` › "should
deliver webhook successfully when safe mode is disabled" intermittently
fails with `expect(receiver.receivedPayloads.length).toBe(1) ...
Received: 0` on unrelated PRs (example: run 28959576750, shard 3).
# Root cause
The test asserted delivery after a fixed 100ms sleep. Delivery actually
crosses: a fire-and-forget `EventEmitter2.emit` (the GraphQL response
returns before the job is even enqueued) → BullMQ hop 1
(`CallWebhookJobsJob`, which also recomputes the just-invalidated
`flatWebhookMaps` cache) → BullMQ hop 2 (`CallWebhookJob`) → HTTP POST
to the in-test receiver. Two Redis round trips plus a cache rebuild
routinely exceed 100ms on loaded CI runners. The global
`waitForAllJobsToFinish` only runs in `afterEach`, after the assertion.
# Fix
- Poll the receiver with the existing `expectEventually` helper (30s
deadline, 100ms interval) instead of sleeping, and give the test an
explicit 60s timeout (suite default is 20s). Worst case the test fails
slower; it can no longer fail while delivery is merely in flight.
- Bonus bug found during adversarial review of this fix: the `finally`
cleanup deleted config key `HTTP_TOOL_SAFE_MODE_ENABLED` while the test
creates `OUTBOUND_HTTP_SAFE_MODE_ENABLED`, silently leaving outbound
safe mode disabled in the DB for every suite that runs after this one.
Fixed the key.
Duplicate-delivery risk was checked: `CallWebhookJob.handle` never
throws (errors swallowed), so `retryLimit: 3` can't produce a second
payload that would break `toBe(1)`.
Test-only change, 1 file, +15/-9.
---
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martmull
67fa0cc93c
