4 posts
Tooling
Playwright, k6, the Stripe CLI and golden sets, in your CI.
- 2026-09-11
Playwright in your CI, not ours
The suite we write lives in your repository and runs in your pipeline. Here is how it is laid out, what a flow is, and why you keep it if you leave.
- 2026-09-03
A k6 performance smoke, and what a budget looks like
Growth and Scale run a smoke test under baseline load on every release. It is short, it has a written budget per flow, and it fails on a number, not an impression.
- 2026-08-27
Testing Stripe webhooks with the CLI, including the cases that should fail
Forwarding events to a local endpoint is the easy half. The checklist's payment items send the events the docs warn about, unsigned, altered, duplicated and reversed.
- 2026-08-12
Golden sets: regression testing for an LLM feature
A model or prompt change shifts outputs across the product. A golden set of inputs with recorded expectations is how you see the shift before users do. Checklist item LM-05.