testing-node-apps

starting jest27, instead of , can be used because it doesn't require any extra library

When running , I got the following error: ```Running the following command: npx "https://gist.github.com/kentcdodds/bb452ffe53a5caa3600197e1d8005733" -q npm ERR! code ENOLOCAL npm ERR! Could not install from "Injeeli\AppData\Roaming\npm-cache\_npx\25680" as it does not contain a package.json file. npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\-------\AppData\Roaming\npm-cache\_logs\2021-11-02T01_09_14_685Z-debug.log Install for [ 'git+https://gist.github.com/bb452ffe53a5caa3600197e1d8005733.git' ] failed with code 1