#expect-poll

Vitest's documented expect.poll timeout error message, expect.poll() function didn't resolve in time, next to a code example passing the callback's new AbortSignal parameter to fetch

Fix Vitest 5 expect.poll Timeout Error

Vitest 5 throws 'expect.poll() function didn't resolve in time.' on timeout instead of letting a late result pass. Here's the fix.

Aug 13, 2026Read more →