👷 run latest firefox and webkit in CI, default local e2e to chromium

[thomas-lebeau]

Motivation

We only ran the latest Chromium in CI e2e, alongside pinned variants of Chromium 120, Firefox 119 and WebKit 17.4 (added in #4612). This left a gap: regressions on the latest Firefox/WebKit versions weren't caught until they shipped. Locally, running all browsers also made the e2e feedback loop slow.

Changes

• .gitlab-ci.yml: add firefox and webkit to the e2e job's BROWSER matrix (in addition to the existing chromium/*-pinned projects). Bump CURRENT_CI_IMAGE to 108.
• Dockerfile: install Playwright's firefox and webkit browsers (with deps) in the CI image so the new matrix entries have what they need.
• package.json: default yarn test:e2e to --project=chromium to keep the local feedback loop fast. Other browsers remain available via yarn test:e2e --project=firefox (etc.).

Test instructions

• CI: confirm the e2e job runs the new firefox and webkit matrix entries successfully on the freshly built image 108.
• Local: yarn test:e2e should now run chromium only. yarn test:e2e --project=firefox still works for opting in to other browsers.

Checklist

• Tested locally
• Tested on staging
• Added unit tests for this change.
• Added e2e/integration tests for this change.
• Updated documentation and/or relevant AGENTS.md file

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[cit-pr-commenter-54b7da]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	169.51 KiB	169.51 KiB	0 B	0.00%	✅
Rum Profiler	5.97 KiB	5.97 KiB	0 B	0.00%	✅
Rum Recorder	21.23 KiB	21.23 KiB	0 B	0.00%	✅
Logs	54.70 KiB	54.70 KiB	0 B	0.00%	✅
Rum Slim	127.85 KiB	127.85 KiB	0 B	0.00%	✅
Worker	22.99 KiB	22.99 KiB	0 B	0.00%	✅

🚀 CPU Performance

Pending...

🧠 Memory Performance

Pending...

🔗 RealWorld

[datadog-prod-us1-6]

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 8 Tests failed

Session Stores › Cookies › trackSessionAcrossSubdomains: false › stores the cookie on the full host name › async from sessionStore.scenario.ts     (Fix with Cursor)

sessionStore.scenario.ts:50:17 async

[webkit] › sessionStore.scenario.ts:50:17 › Session Stores › Cookies › trackSessionAcrossSubdomains: false › stores the cookie on the full host name › async 

    Error: expect(received).toEqual(expected) // deep equality

    Expected: ObjectContaining {"domain": "foo.bar.localhost"}
    Received: undefined

      54 |           const cookies = await browserContext.cookies()
...

Session Stores › Cookies › trackSessionAcrossSubdomains: false › stores the cookie on the full host name › bundle from sessionStore.scenario.ts     (Fix with Cursor)

sessionStore.scenario.ts:50:17 bundle

[webkit] › sessionStore.scenario.ts:50:17 › Session Stores › Cookies › trackSessionAcrossSubdomains: false › stores the cookie on the full host name › bundle 

    Error: expect(received).toEqual(expected) // deep equality

    Expected: ObjectContaining {"domain": "foo.bar.localhost"}
    Received: undefined

      54 |           const cookies = await browserContext.cookies()
...

Session Stores › Cookies › trackSessionAcrossSubdomains: false › stores the cookie on the full host name › npm from sessionStore.scenario.ts     (Fix with Cursor)

sessionStore.scenario.ts:50:17 npm

[webkit] › sessionStore.scenario.ts:50:17 › Session Stores › Cookies › trackSessionAcrossSubdomains: false › stores the cookie on the full host name › npm 

    Error: expect(received).toEqual(expected) // deep equality

    Expected: ObjectContaining {"domain": "foo.bar.localhost"}
    Received: undefined

      54 |           const cookies = await browserContext.cookies()
...

View all

ℹ️ Info

No other issues found (see more)

❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 76.96% (+0.00%)

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