Any good Node.js project on GitHub that shows how unit testing should be done ideally?

I am trying to learn how to write proper unit testing tests and how to structure my code so the unit testing is as easy as possible. Presently, I am building a Node.js application using Express and Mongoose, so ideally I am looking for a project using these.

Submitted November 15, 2019 at 04:22PM by jesusscript