Writing on building reliable, well-tested software.https://pablocom.dev/https://pablocom.dev/blog/tests-are-the-harness/https://pablocom.dev/blog/tests-are-the-harness/Coding agents write code faster than we can read it. What keeps them honest isn't the prompt, it's a test suite that's fast, deterministic and pinned to the desired behaviour.Wed, 23 Sep 2026 00:00:00 GMT