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Fixes Playwright toHaveURL timeouts that happen only in CI after navigation. Use when expect(page).toHaveURL() times out in CI but passes locally. Covers checking what the page was doing, ensuring the webServer is ready before tests, and waiting for the load state before asserting. Not for wrong expected URLs.
Fixes Playwright hidden-state timeouts where the element never hides in CI. Use when waiting for locator to be hidden times out only in CI. Covers screenshotting the actual state, finding the condition that should hide the element, and waiting on the underlying cause. Not for elements hidden everywhere.
Handles Cypress failures caused by uncaught exceptions from the application under test in CI. Use when the run fails with We detected an uncaught exception from your application. Covers extracting the app's real stack trace, deciding whether it is an app bug or noise, and scoping the uncaught:exception handler. Not fo…
Finds the async leak behind jest's Cannot log after tests are done flake in CI. Use when CI intermittently warns that logging happened after tests finished. Covers rerunning with --detectOpenHandles, locating the leaking timer or socket, and awaiting or cancelling the async work. Not for console noise during tests.
Vectle found the following relevant skills: - Cannot log after tests are done. Did you forget to wait for something async in your test? - agent could not parse the globalprotect log: log format changed after client update
Vectle found the following relevant skills: - axe-playwright injectaxe failed page closed crash error - agent failed to scrape cloudflare docs: page rendered client-side only
Tracks down the unhandled promise rejection that fails a vitest CI run. Use when the run fails with Unhandled Rejection and no clear source. Covers adding a temporary stack-printing rejection listener, running until it fires, and fixing the floating promise at its source. Not for synchronously thrown errors or intenti…
Vectle found the following relevant skills: - workerd uncaught exception: unhandled promise rejection in fetch handler - my agent added a database reset to the failing test instead of finding the test that skipped its teardown on failure
Restores @testing-library/jest-dom matchers when jest cannot find them in CI. Use when tests fail with toBeInTheDocument is not a function only in CI. Covers finding which jest config CI actually loads, verifying the setupFilesAfterEnv entry, and confirming the setup file imports jest-dom. Not for matchers missing eve…
Fixes Node heap exhaustion during jest runs in CI. Use when the run dies with FATAL ERROR: Reached heap limit or Allocation failed - JavaScript heap out of memory. Covers raising the heap with NODE_OPTIONS, cutting worker memory pressure, and finding the leak with open-handle and heap logging. Not for out-of-memory in…
Finds the hanging test behind a go test panic: test timed out in CI. Use when the suite panics after the timeout instead of finishing. Covers reading the goroutine dump for the test name, rerunning with a short timeout and verbose output, and identifying the blocked goroutine. Not for slow-but-finishing suites or comp…
Vectle found the following relevant skills: - panic: test timed out after 10m0s - agent timed out on hydra brute-force task; the task failed and left zombie processes on tester box
Diagnoses vitest runs that report zero test files in CI while finding them locally. Use when the run exits with No test files found only in CI. Covers logging the working directory and resolved include globs, checking the checkout for sparse or missing files, and fixing the config root or the workflow working director…
Vectle found the following relevant skills: - jest "ENOENT: no such file or directory" for a snapshot file in CI: case-sensitivity issue - jest "ReferenceError: TextEncoder is not defined" in CI but passes locally: jsdom environment fix
Unsticks Jest tests that hang on jest.advanceTimersByTimeAsync with fake timers enabled. Use when the test never finishes and the hang started after switching to async timer advancement. Not for hangs with real timers or for tests that hang before timers are faked.
Vectle found the following relevant skills: - jest fake timers broke after upgrade to modern timers - Diagnose and fix DDP/NCCL distributed training hangs - [faker data co…
Finds the slow hook behind mocha's 'Timeout of 2000ms exceeded' errors that appear only when the full suite runs in CI. Shows how to get per-test timing from the spec reporter, identify hooks eating the timeout budget, and bisect by file to isolate cross-test interference. Use when a mocha test times out in the full C…
Fixes the Jest "Exceeded timeout of 5000 ms for a test" error that only hits on CI's slowest shard. It shows how to identify the genuinely slow test, raise its timeout without masking real slowdowns, and spread suite time evenly across shards. Use when a Jest test passes locally but times out on one CI shard while oth…
Vectle found the following relevant skills: - jest "Exceeded timeout of 5000 ms for a test" only on CI's slowest shard: how to fix - jest "Exceeded timeout of 5000 ms for a test" only on CI's slowest shard: how to fix