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test: Fix flaky ANR test by increasing blocking duration#20239

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JPeer264 merged 1 commit intodevelopfrom
jp/unflake-cf-node-core
Apr 13, 2026
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test: Fix flaky ANR test by increasing blocking duration#20239
JPeer264 merged 1 commit intodevelopfrom
jp/unflake-cf-node-core

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Closes #20215
Closes JS-2120

Increase longWork iterations from 20 to 50 to ensure the blocking function is more likely to be captured in ANR stack sampling, reducing flakiness from sampling during timer processing.

A rerun solved it, but this would hopefully make it less flaky.

Increase `longWork` iterations from 20 to 50 to ensure the blocking
function is more likely to be captured in ANR stack sampling, reducing
flakiness from sampling during timer processing.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@JPeer264 JPeer264 requested review from andreiborza and s1gr1d April 13, 2026 09:31
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linear-code bot commented Apr 13, 2026

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Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).


New Features ✨

Core

  • Automatically disable truncation when span streaming is enabled in LangGraph integration by andreiborza in #20231
  • Automatically disable truncation when span streaming is enabled in LangChain integration by andreiborza in #20230
  • Automatically disable truncation when span streaming is enabled in Google GenAI integration by andreiborza in #20229
  • Automatically disable truncation when span streaming is enabled in Anthropic AI integration by andreiborza in #20228
  • Automatically disable truncation when span streaming is enabled in OpenAI integration by andreiborza in #20227
  • Add enableTruncation option to Google GenAI integration by andreiborza in #20184
  • Add enableTruncation option to Anthropic AI integration by andreiborza in #20181
  • Add enableTruncation option to LangGraph integration by andreiborza in #20183
  • Add enableTruncation option to LangChain integration by andreiborza in #20182
  • Add enableTruncation option to OpenAI integration by andreiborza in #20167
  • Export a reusable function to add tracing headers by JPeer264 in #20076

Deps

  • Bump axios from 1.13.5 to 1.15.0 by dependabot in #20180
  • Bump hono from 4.12.7 to 4.12.12 by dependabot in #20118
  • Bump defu from 6.1.4 to 6.1.6 by dependabot in #20104

Other

  • (cloudflare) Propagate traceparent to RPC calls - via fetch by JPeer264 in #19991

Bug Fixes 🐛

Deno

  • Handle reader.closed rejection from releaseLock() in streaming by andreiborza in #20187
  • Avoid inferring invalid span op from Deno tracer by Lms24 in #20128

Other

  • (ci) Prevent command injection in ci-metadata workflow by fix-it-felix-sentry in #19899
  • (e2e) Add op check to waitForTransaction in React Router e2e tests by copilot-swe-agent in #20193
  • (node-integration-tests) Fix flaky kafkajs test race condition by copilot-swe-agent in #20189

Internal Changes 🔧

Deps

  • Bump hono from 4.12.7 to 4.12.12 in /dev-packages/e2e-tests/test-applications/cloudflare-hono by dependabot in #20119
  • Bump axios from 1.13.5 to 1.15.0 in /dev-packages/e2e-tests/test-applications/nestjs-basic by dependabot in #20179

Other

  • (bugbot) Add rules to flag test-flake-provoking patterns by Lms24 in #20192
  • (deps-dev) Bump vite from 7.2.0 to 7.3.2 in /dev-packages/e2e-tests/test-applications/tanstackstart-react by dependabot in #20107
  • (react) Remove duplicated test mock by s1gr1d in #20200
  • (size-limit) Bump failing size limit scenario by Lms24 in #20186
  • Fix flaky ANR test by increasing blocking duration by JPeer264 in #20239
  • Add automatic flaky test detector by nicohrubec in #18684

🤖 This preview updates automatically when you update the PR.

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size-limit report 📦

⚠️ Warning: Base artifact is not the latest one, because the latest workflow run is not done yet. This may lead to incorrect results. Try to re-run all tests to get up to date results.

Path Size % Change Change
@sentry/browser 25.72 kB - -
@sentry/browser - with treeshaking flags 24.21 kB - -
@sentry/browser (incl. Tracing) 42.73 kB - -
@sentry/browser (incl. Tracing, Profiling) 47.35 kB - -
@sentry/browser (incl. Tracing, Replay) 81.54 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 71.11 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 86.25 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 98.45 kB - -
@sentry/browser (incl. Feedback) 42.51 kB - -
@sentry/browser (incl. sendFeedback) 30.39 kB - -
@sentry/browser (incl. FeedbackAsync) 35.38 kB - -
@sentry/browser (incl. Metrics) 27.04 kB - -
@sentry/browser (incl. Logs) 27.18 kB - -
@sentry/browser (incl. Metrics & Logs) 27.86 kB - -
@sentry/react 27.48 kB - -
@sentry/react (incl. Tracing) 45.05 kB - -
@sentry/vue 30.56 kB - -
@sentry/vue (incl. Tracing) 44.59 kB - -
@sentry/svelte 25.74 kB - -
CDN Bundle 28.41 kB - -
CDN Bundle (incl. Tracing) 43.75 kB - -
CDN Bundle (incl. Logs, Metrics) 29.78 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 44.83 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 68.59 kB - -
CDN Bundle (incl. Tracing, Replay) 80.64 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 81.66 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 86.17 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 87.2 kB - -
CDN Bundle - uncompressed 82.99 kB - -
CDN Bundle (incl. Tracing) - uncompressed 129.77 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 87.14 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 133.19 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 210.12 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 246.65 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 250.05 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 259.56 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 262.95 kB - -
@sentry/nextjs (client) 47.47 kB - -
@sentry/sveltekit (client) 43.2 kB - -
@sentry/node-core 57.86 kB +0.02% +6 B 🔺
@sentry/node 174.89 kB +0.01% +11 B 🔺
@sentry/node - without tracing 97.97 kB +0.03% +22 B 🔺
@sentry/aws-serverless 115.22 kB +0.02% +19 B 🔺

View base workflow run

@JPeer264 JPeer264 merged commit 4a5f90b into develop Apr 13, 2026
44 checks passed
@JPeer264 JPeer264 deleted the jp/unflake-cf-node-core branch April 13, 2026 10:54
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[Flaky CI]: Node (24) Node-Core Integration Tests

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