Your AI Doesn't Just Write Tests. It Runs Them Too.

In the previous article , we talked about /twd:setup — the skill that analyzes your project and generates .claude/twd-patterns.md , a file that teaches your AI agent how tests are structured in your codebase. That was about giving the agent context. This one is about what the agent actually does with it. Writing Tests That Run in Your Real Browser Most AI-generated tests run in Node.js — against jsdom, a simulated DOM. That works for a lot of things, but it is not the same as running inside your