Testing Practices testing 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.