This section instructs starting InfluxDB 3 before `yarn test`, but `__tests__/api.test.js` mocks `../lib/influxdb` and doesn’t require a live database. Update guidance to reflect that unit tests run without InfluxDB, and optionally document a separate integration test workflow if needed.

[jstirnaman]

This section instructs starting InfluxDB 3 before yarn test, but __tests__/api.test.js mocks ../lib/influxdb and doesn’t require a live database. Update guidance to reflect that unit tests run without InfluxDB, and optionally document a separate integration test workflow if needed.

Originally posted by @Copilot in #29 (comment)