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Table Of Contents
Hands-On Automated Testing with Playwright
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Even with a solid cross-browser testing strategy in place, you’ll occasionally hit situations where a test passes in one browser but fails in another. These browser-specific failures can be very frustrating.
The first thing you should do is confirm that the failure is actually limited to a specific browser. Start by running the test individually in the browser where the issue occurs. If your test suite normally runs across all browsers, narrowing it down helps you isolate the problem and speeds up the debugging process.
For example, as we discussed earlier in this chapter, you can run a specific test in Firefox with the following:
npx playwright test --project="Firefox"
Once you’ve isolated the browser, run the test in headed mode. This means the browser window will be visible during the test, allowing you to watch what’s happening in real time. Often, you’ll spot visual inconsistencies...