test: write the first part of Guestroom regression tests [WPB-19953]

[zhannach]

WPB-19953 [Web/QA] Write the Guestroom regression tests in Playwright

Summary

This PR introduces the first phase of the Questroom regression E2E test suite. To ensure a manageable review process, the full suite has been split into two logical parts.

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Security Checklist (required)

• External inputs are validated & sanitized on client and/or server where applicable.
• API responses are validated; unexpected shapes are handled safely (fallbacks or errors).
• No unsafe HTML is rendered; if unavoidable, sanitization is applied and documented where it happens.
• Injection risks (XSS/SQL/command) are prevented via safe APIs and/or escaping.

Accessibility (required)

• I have read and this PR upholds our Accessibility Best Practices.

Standards Acknowledgement (required)

• I have read and this PR upholds our Coding Standards and Tech Radar Choices.

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Screenshots or demo (if the user interface changed)

Notes for reviewers

• Trade-offs:
• Follow-ups (linked issues):
• Linked PRs (e.g. web-packages):

[github-actions]

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🧪 Playwright Test Summary

• ✅ Passed: 295
• ❌ Failed: 5
• ⏭ Skipped: 13
• 🔁 Flaky: 4
• 📊 Total: 317
• ⏱ Total Runtime: 509.5s (~ 8 min 30 sec)

specs/Conversations/conversations.spec.ts (❌ 0 failed, ⚠️ 1 flaky)

• ⚠️ Conversations > I want to see a system message with all group members mentioned on creating a group (tags: TC-2965, regression)

specs/CriticalFlow/channelsCall-TC-8755.spec.ts (❌ 1 failed, ⚠️ 0 flaky)

• ❌ Calls in channels with device switch and screenshare (tags: TC-8755, crit-flow-web)

specs/CriticalFlow/groupVideoCall-TC-8637.spec.ts (❌ 1 failed, ⚠️ 0 flaky)

• ❌ Group Video call (tags: TC-8637, crit-flow-web)

specs/CriticalFlow/oneOnOneCall-TC-8754.spec.ts (❌ 1 failed, ⚠️ 0 flaky)

• ❌ 1:1 Video call with device switch and screenshare (tags: TC-8754, crit-flow-web)

specs/Drive/editMultipartMessage-TC-8786.spec.ts (❌ 1 failed, ⚠️ 0 flaky)

• ❌ Edit multipart message in a group conversation (tags: crit-flow-cells, regression, TC-8786)

specs/Drive/replyingToMultipartMessage-TC-8787.spec.ts (❌ 1 failed, ⚠️ 0 flaky)

• ❌ Replying to multipart message in a group conversation (tags: crit-flow-cells, regression, TC-8787)

specs/Drive/uploadingFileInGroupConversation-TC-8785.spec.ts (❌ 0 failed, ⚠️ 1 flaky)

• ⚠️ Uploading an file in a group conversation (tags: crit-flow-cells, regression, TC-8785)

specs/Guestroom/guestroom.spec.ts (❌ 0 failed, ⚠️ 1 flaky)

• ⚠️ Guestroom > I want to join a conversation through password secured invite link as existing user (tags: TC-8140, regression)

specs/Notifications/notifications.spec.ts (❌ 0 failed, ⚠️ 1 flaky)

• ⚠️ Notifications > I want to mute the 1on1 conversation via conversation details (tags: TC-1440, regression)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud