$ npm install --dev jest-zephyr-scale-reporter 

or

$ yarn add -D jest-zephyr-scale-reporter 

In jest.config.js, add jest-zephyr-scale-reporter to reporters

"reporters": [	"default",	"jest-zephyr-scale-reporter" ] 

After running the testsuite, a json file (zephyr-report.json) will be written to the folder