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Testing

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Design and maintain a visual regression test suite with Playwright Visual Regression Workflow
Configure Playwright for VR — setup, APIs, projects, viewports, stability Playwright for Visual Regression
Understand and tune pixelmatch — algorithm, threshold, API, CLI, alternatives Pixelmatch
Configure, view, navigate, and share the Playwright HTML triage report HTML Report
Use ATK's curated catalog of Drupal-aware E2E tests Automated Testing Kit (ATK)
Write functional E2E tests with locators, auth, fixtures, API testing, and CI sharding Playwright (E2E)
Generate E2E tests from user stories, code, or prompts using the plan-first AI workflow AI Test Generation