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    Playwright Test Failure Debugger

    by heyhridyansh

    1

    Diagnose flaky, timed-out, or CI-only Playwright test failures using traces and logs.

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    See it in action

    You say

    My test times out on CI but passes locally. Here is the Playwright trace and the test file. Why is the 'Submit' button not becoming actionable in WebKit?

    Your agent does

    Verdict: Material browser-test failure. Root Cause: A race condition in hydration causes the 'Submit' button to rerender after Playwright's actionability check but before the click event. Remediation: Use a web-first assertion to ensure the button is attached and stable.

    What you get

    Identify the earliest divergence point in a failing Playwright timeline.Resolve race conditions and hydration issues in single-page applications.Debug storage-state and authentication failures in parallel test runs.Provide exact remediation steps for flaky locators and actionability checks.

    About this skill

    The problem

    Playwright test failures are often misleading. A timeout at the end of a script is usually just a symptom of a race condition, network failure, or state pollution that happened minutes earlier.

    What it does

    • Analyzes Playwright traces, HAR files, and CI logs to reconstruct the exact failure timeline.
    • Identifies the root cause of flaky tests that pass locally but fail in CI.
    • Diagnoses locator fragility, strict-mode violations, and actionability blockers.
    • Evaluates authentication, storage-state issues, and fixture isolation problems.
    • Provides a prioritized remediation plan and a 100-point diagnostic quality score.

    Frameworks & tools

    Playwright, Chromium, Firefox, WebKit, CI environments (GitHub Actions, GitLab CI, Jenkins), and HAR/JSON network logs.

    Why this beats prompting it yourself

    Generic LLMs often suggest "increasing the timeout" or "adding a sleep." This skill follows a 27-step specialized audit workflow to find the earliest point of divergence, preventing you from masking bugs with blind retries.

    Use cases

    • Debugging "passed on retry" flakiness in CI pipelines.
    • Fixing complex navigation races and hydration-related timeouts.
    • Resolving cross-browser inconsistencies between Chromium and WebKit.
    • Audit of storage-state and authentication setup for multi-tenant testing.

    Known limitations

    This tool does not execute tests, open live websites, or modify your source code directly. It requires exported artifacts like traces or logs to perform a high-confidence analysis.

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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    Creator

    heyhridyansh
    heyhridyansh

    19 skills on Agensi

    I create practical, AI-ready skills for Cursor, Claude Code, Codex CLI, Replit, and other agents that support the SKILL.md format. My skills focus on specific business and workflow problems, including ecommerce creative audits, design quality checks, prompt and skill validation, content systems, and process automation. Each skill is built with clear inputs, structured outputs, defined permissions, safeguards, and real-world usability.

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