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AutomationSTAR

Test Automation Conference Europe

Half Day Tutorial G

Visual Regression Testing: A Practical Guide

Tomasz Klepacki

09:00 - 12:30, Monday Nov 10th CET
This workshop is a hands-on introduction to visual regression testing—a key method for keeping user interfaces (UI) consistent and stable in software development. By comparing screenshots before and after updates, participants will learn how to spot and fix visual inconsistencies.

We’ll start with the basics, covering why visual regression testing matters. It helps catch subtle UI changes, increases confidence in updates, and automates repetitive checks. We’ll also look at common challenges, like false positives from minor pixel shifts or dynamic content that changes between tests.

The workshop will introduce essential tools for visual regression testing. We’ll cover Visual Regression Tracker, a platform for managing and comparing test results; Playwright, which offers strong testing features, including image comparisons; and Cypress, a widely used testing framework that supports visual testing with extensions.

To improve test reliability, we’ll also explore mocking API responses. By using mocked data, participants will learn how to prevent issues caused by dynamic or real-time content, ensuring stable and consistent snapshots.

Through hands-on exercises, attendees will set up and use these tools. They’ll automate screenshots, troubleshoot dynamic content issues, and see how Visual Regression Tracker helps manage test results across different tools and frameworks. Participants will also get guidance on picking the right tool for their specific projects.

By the end of this workshop, attendees will know how to apply visual regression testing to maintain UI quality, improve software reliability, and deliver smooth user experiences.

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What you will Learn

  1. Learn the fundamentals of visual regression testing.
  2. Gain hands-on experience with Cypress, Playwright, and Visual Regression Tracker, understanding how to leverage their unique features for efficient visual testing.
  3. Explore proven approaches and patterns for creating visual regression tests.

Session Details

  • Intro
  • 3hrs
  • Interactive Tutorial
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Session Speaker

Tomasz Klepacki

JIT Team, Poland

I am a Test Automation Lead/Engineer with over 14 years of experience in designing, developing, and maintaining automated tests for web applications, mobile applications, and performance testing. My expertise spans across diverse industries, including insurance, maritime, information management, and e-commerce. Currently, I focus on designing and implementing test strategies as well as developing test infrastructure and frameworks for the Signal Ocean project. A significant part of my work involves creating efficient CI/CD processes, enabling rapid delivery pipelines, and enhancing the observability of projects. As a passionate advocate of test automation, new technologies, and Test-Ops practices, I actively contribute to the testing community. I frequently participate as a speaker and trainer at industry events and conferences. Additionally, I run my own blog, automatyzacja.it and podcast Testers Unplugged where I share insights and best practices related to software testing.