Number of posts: 12

When Can The Test Blink?

Let's take a page where a loading element is displayed while the application is fetching the data from the server. If the test is observing the loading element to make sure it disappears, can the loading be too fast? Can the test runner "blink" and miss the element?…

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Retry, Rerun, Repeat

If at first you don't succeed, then dust yourself off and try again.                                                                                          - American R&B singer Aaliyah (1979-2001)The modern Internet is built on retries. Software and hardware failures are normal and expected.…

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When Can the Test Submit a Form?

In this blog post we continue exploring flaky tests and how to fix them. We will look at the situation when a page submits a form and then continues to interact with the page, which causes a problem. Tip: you can find all existing similar posts under the tag Flake. You can find the source code for t…

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Debug a Flaky Visual Regression Test

In our Cypress RealWorld App we are using visual regression testing to catch unintended style and layout changes. We are using the Percy.io service, and you can see the screenshots at https://percy.io/cypress-io/cypress-realworld-app. During tests, we periodically take image snapshots using cy.percy…

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