Ace Your QA Engineering
Interview with Confidence

What is Playwright and how does it differ from Selenium WebDriver?

How do you install Playwright and create a basic test?

What are the different built-in locator strategies in Playwright and which should you prefer?

Explain Playwright's auto-waiting mechanism. When does it NOT wait automatically?

What is a Browser Context in Playwright and why is it useful?

How do you handle network interception and request mocking in Playwright?

What is `page.evaluate()` and when should you use it (and avoid it)?

How do you handle file uploads in Playwright?

Explain the difference between `locator.waitFor()` and `expect(locator).toBeVisible()`.

How do you run Playwright tests in parallel and what configuration is needed?

What is the `filter()` method on a locator and when would you use it?

How do you handle dynamic or generated IDs/classes that change on every page load?

Explain `page.locator()` vs `page.$()` — what is the difference?

What is the Page Object Model pattern and why do you use it?

How does lazy initialization improve Page Object Models and when should you use it?

How would you structure a POM for an application with shared components (header, footer, nav)?

What are Playwright Fixtures and how are they different from `beforeEach`?

How do you reuse authentication state across tests without logging in every time?

How do you make API requests directly in Playwright without a browser page?

What is the difference between `page.route()` and using the `request` fixture for API testing?

How does Playwright visual (screenshot) testing work? What are the pitfalls?

How do you integrate Playwright into a GitHub Actions pipeline?

Playwright test is flaky in CI but passes locally. What are the most common causes and fixes?

What debugging tools does Playwright provide and how do you use them?

What is the difference between Playwright's sync and async Python APIs?

How do you write a Page Object Model in Python Playwright?

How do you use fixtures and conftest.py in pytest-playwright?

How do you handle API testing in Python Playwright?

How do you run Playwright Python tests in parallel with pytest-xdist?

How do you set up Playwright in a Java project with Maven?

How do you write a Page Object Model in Java Playwright?

How do you handle getByRole with AriaRole in Java Playwright?

How do you use lazy initialization (getter pattern) in Java Playwright POMs?

How do you run Playwright Java tests in parallel with JUnit 5?

You're starting a new automation project from scratch. Walk me through the framework architecture you'd design.

How do you handle test data management in a large automation framework?

How do you design a multi-environment (dev/staging/prod) test framework?

How would you reduce test execution time for a suite of 500+ E2E tests?

What is test sharding in Playwright and how does it work with CI?

Explain the Testing Pyramid and where Playwright fits in it.

What is the difference between smoke testing, regression testing, and sanity testing?

What is BDD and how does it integrate with Playwright?

How do you decide which tests to automate vs. leave as manual?

You run 200 tests overnight. Next morning 15 tests failed. How do you triage and prioritize fixing them?

A `getByRole('button', { name: 'Submit' })` locator times out even though the button is visually there. What do you check?

Your E2E test suite takes 45 minutes to run. The business wants it under 10 minutes. What's your plan?

How do you get developers to write testable code and support QA automation efforts?

Describe a time you had to push back on a decision that would have hurt test quality.

How do you measure the success and ROI of a QA automation initiative?

How do you onboard a new QA engineer to a complex automation framework?

What is shift-left testing and how have you applied it in your work?

Explain Playwright's Component Testing (`@playwright/experimental-ct-react`). How does it differ from E2E testing?

How do you handle testing inside iframes with Playwright?

What is Playwright's clock API and when would you use it?

How does Playwright handle WebSockets and real-time features?

Explain how to integrate Playwright with Allure reporting and why you might choose it over the built-in HTML report.