How to Add Screenshot Tests to Your GitHub Actions CI Pipeline

How to Add Screenshot Tests to Your GitHub Actions CI Pipeline Your team ships a feature. The PR passes all tests. Code review approves it. It gets merged. Three hours later, a Slack message: "Homepage looks broken on mobile." The tests all passed. The code was reviewed. But something visual broke. No one caught it. This happens because your tests don't look at what users see. They only test code logic. Visual regression testing solves this: every PR automatically captures screenshots, compares them with the baseline, and posts results in the PR comment. No more surprises in production. The Problem: Code Tests Miss Visual Regressions Your CI pipeline looks like this: PR submitted → Run unit tests ✅ → Run integration tests ✅ → Run linting ✅ → Approve and merge But nobody checks: Does the homepage still look right? Did the CSS load? Are images displaying? Is the mobile layout broken? Did the button move? These aren't code bugs. They're visual regressions. And they slip through because yo