chore(ui): Increase retries and timeout in CI

[dstaley]

Description

This PR increases the retries and timeout in CI for @clerk/ui unit tests. This is to (hopefully!) alleviate flaky tests when run in a CI environment. It also hardcodes the Turborepo concurrency to 1 for unit tests, which ensures that only one package's unit tests are running at a time. This is due to the fact that our unit test runner (Vitest) already distributes tests across available cores; with multiple packages running at once, we are potentially running a large number of concurrent tests.

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

[changeset-bot]

🦋 Changeset detected

Latest commit: e7271a5

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

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Project	Deployment	Actions	Updated
clerk-js-sandbox	Ready	Preview	Sep 28, 2026 8:06pm UTC
swingset	Ready	Preview	Sep 28, 2026 8:06pm UTC

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Configuration used: Repository YAML (base), Organization UI (inherited)

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Run ID: b9a3a33e-23fa-44a7-8711-e83883b9df46

📥 Commits

Reviewing files that changed from the base of the PR and between f190116 and e7271a5.

📒 Files selected for processing (1)

• .github/workflows/ci.yml

🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

• clerk/clerk_go (manual)
• clerk/dashboard (manual)
• clerk/accounts (manual)
• clerk/backoffice (manual)
• clerk/clerk (manual)
• clerk/clerk-docs (manual)
• clerk/cloudflare-workers (manual)
• clerk/cli (auto-detected)
• clerk/clerk-ios (auto-detected)
• clerk/clerk-android (auto-detected)

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📝 Walkthrough

Walkthrough

The CI workflow sets the first numeric --concurrency option in TURBO_ARGS to 1 before either unit-test path. In CI, Vitest retries failed tests up to three times and uses a 10-second timeout. Outside CI, Vitest disables retries and uses a 5-second timeout. The changeset file contains two delimiter lines with no content between them.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Suggested reviewers: alexcarpenter

Merge Risk: ⚪ Minimal · up to e7271

The CI test-setting changes are mergeable after normal checks; no concrete issue remains identified.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the primary change: increased CI retries and timeout for UI tests. It does not mention the concurrency change, but the title does not need to cover every detail.
Description check	✅ Passed	The description directly explains the increased CI retries and timeout and the Turborepo concurrency change. It is related to the changeset and provides sufficient context.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[github-actions]

API Changes Report

Generated by Break Check on 2026-09-28T20:07:08.304Z

Summary

Metric	Count
Packages analyzed	19
Packages with changes	0
🔴 Breaking changes	0
🟡 Non-breaking changes	0
🟢 Additions	0

No API Changes Detected

All packages have stable APIs with no detected changes.

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Report generated by Break Check

_{Last ran on e7271a5.}

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commit: e7271a5