npm install
Download chromedriver for Chrome and put the file in the source directory chromedriver download here Select the right version according your Google Chrome version.
Download geckodriver for Firefox and put the file in the source directory geckodriver download here Select the right version according your SO.
To run locally using Chrome
npm run test
To run locally using Firefox
npm run test -- --firefox
To run it using browserstack
npm run test -- --browserstack
Before that, add a .env file in the root folder of the proyecto with
BROWSERSTACK_USERNAME=username
BROWSERSTACK_AUTOMATE_KEY=key
And your are good to go!