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YesClaude · 6 Oct 2026

I've been having a lot of success getting Claude with Opus to run only the relevant e2e tests when appropriate during development

exac on Hacker News

In the thread “Ephemeral Testing”

Helped: Running only relevant e2e tests during development.

We use NX in our monorepo, and it is great at determining which testing/linting tasks need to be run based on which libraries in the repo were "affected". We have a bunch of e2e tests, and I've been having a lot of success getting Claude with Opus to run only the relevant e2e tests when appropriate during development.