Testing Practices articles

Test strategy, flakiness, parallelisation and suite design.

Article Sep 1, 2026

Parallel Testing: What Actually Scales

Why adding workers stops helping, how to shard so they are not idle, and what breaks the first time a suite runs concurrently.

Article Aug 31, 2026

How to build a regression suite that stays fast and trustworthy in CI, what to leave out of it, and when to run which part.

Article Sep 13, 2024

Learn how to create a test strategy document. This is a document that outlines what needs to be tested at which stage of the build process.

Article Aug 25, 2023

Why a test passes most of the time and fails the rest, with concrete fixes for flaky Selenium, Appium, Playwright and Puppeteer runs.

Run your suite on real browsers and devices, with no infrastructure to maintain.