- switch to your branch - pull from master - make your changes - update package.json - remove package-lock.json and node_modules - run: npm install --package-lock - run: npm run test - run a manual test, e.g.,: BROWSER_DRIVER_INSTALLER_CHROME_VERSION=75 BROWSER_DRIVER_INSTALLER_FIREFOX_VERSION=67 BROWSER_DRIVER_INSTALLER_GECKODRIVER_PATH=/tmp BROWSER_DRIVER_INSTALLER_CHROMEDRIVER_PATH=/tmp ./postinstall - create PR