Replacing Mocha with JestWhen everything works and clients are happy, sometimes we forget to upgrade stuff. That’s how a jsdom version from 2016 ended up in our testing stack. If you used Mocha earlier for testing web apps, you already know that you have to set up jsdom manually. I decided to replace Mocha with Jest while I was searching jsdom’s issue tracker and run into a post. It was about changing something in the pre
