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Debugging & Flaky Tests using Playwright

Zero → Advanced Guide for Stable Test Automation

Priyanka Bhopale

Struggling with Playwright tests that pass locally but fail in CI?

You are not alone.

Flaky tests are the #1 reason automation suites fail in real companies. This book is your complete practical guide to debugging and stabilizing Playwright tests used in production environments.

This is not a theory book. This is a real-world, hands-on guide focused on the skills companies actually hire for.

In this book you will learn:

• What flaky tests really are and why they happen • The 5 real causes of unstable automation tests • How to use Playwright UI Mode, Headed Mode and PWDEBUG • How to use Trace Viewer — the most powerful debugging tool in Playwright • How to capture screenshots, videos and logs in CI pipelines • The correct waiting strategies that eliminate timing issues • How to handle network delays, loaders and dynamic UI • How to prevent test data conflicts in parallel execution • How to configure retries, timeouts and stability settings • How to debug failures in GitHub Actions and CI/CD pipelines • How companies detect and fix flaky tests at scale • Real Playwright interview questions and answers

If you are: • A Selenium tester moving to Playwright • A QA engineer struggling with CI failures • A developer writing end-to-end tests • Preparing for Playwright automation interviews

Then this book will give you a strong real-world advantage.

Stop guessing why tests fail. Start debugging like a professional.

Become the automation engineer every team needs.

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About

About the Book

Struggling with Playwright tests that pass locally but fail in CI?

You are not alone.

Flaky tests are the #1 reason automation suites fail in real companies. This book is your complete practical guide to debugging and stabilizing Playwright tests used in production environments.

This is not a theory book.
This is a real-world, hands-on guide focused on the skills companies actually hire for.

In this book you will learn:

• What flaky tests really are and why they happen
• The 5 real causes of unstable automation tests
• How to use Playwright UI Mode, Headed Mode and PWDEBUG
• How to use Trace Viewer — the most powerful debugging tool in Playwright
• How to capture screenshots, videos and logs in CI pipelines
• The correct waiting strategies that eliminate timing issues
• How to handle network delays, loaders and dynamic UI
• How to prevent test data conflicts in parallel execution
• How to configure retries, timeouts and stability settings
• How to debug failures in GitHub Actions and CI/CD pipelines
• How companies detect and fix flaky tests at scale
• Real Playwright interview questions and answers

If you are:
• A Selenium tester moving to Playwright
• A QA engineer struggling with CI failures
• A developer writing end-to-end tests
• Preparing for Playwright automation interviews

Then this book will give you a strong real-world advantage.

Stop guessing why tests fail.
Start debugging like a professional.

Become the automation engineer every team needs.

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Automated Software TestingTestingJavaScriptTypeScript

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About the Author

Priyanka Bhopale

I am an automation testing enthusiast and software quality professional with more than 9.5 years of experience in the QA domain. I has extensive experience in manual testing and is passionate about modern test automation technologies including Playwright, JavaScript, and TypeScript.

I am actively shares knowledge through technical writing and aims to help software testers and developers learn automation frameworks, improve testing practices, and advance their careers in software quality engineering.

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