Improve playwright tests

[muodov]

Task/Issue URL: https://app.asana.com/1/137249556945/project/1201844467387842/task/1210903143733590?focus=true
https://app.asana.com/1/137249556945/task/1210903143733594

Description:

Several changes to make playwright tests more useful, especially for auto-generated PRs:

• detect reload loops
• more granular message assertions
• refactor for better readability

I couldn't find a way to mute the stack trace in failure results.

Steps to test this PR:

[Copilot]

Pull Request Overview

This PR restructures and improves the Playwright test suite by refactoring the test generation logic and enhancing test reliability. The changes focus on better code organization, improved error detection, and performance optimization.

• Refactored test generation from function-based to class-based architecture with the TestRun class
• Enhanced error detection and assertions with better message handling and reload loop detection
• Optimized test execution by disabling trace collection and increasing worker count

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
playwright/runner.ts	Complete refactoring from function-based to class-based test architecture with improved assertions and error detection
playwright.config.ts	Disabled trace collection to improve test performance
Jenkinsfile	Increased worker count and added line reporter for better test output