Function download

test/webdriver.js:18–28

(browser, version, cacheDir, platform)

const puppeteerBrowsers = require('@puppeteer/browsers');

async function download(browser, version, cacheDir, platform) {
  const buildId = await puppeteerBrowsers
      .resolveBuildId(browser, platform, version);
  await puppeteerBrowsers.install({
    browser,
    buildId,
    cacheDir,
    platform
  });
  return buildId;
}
const cacheDir = path.join(process.cwd(), 'browsers');

if (os.platform() === 'win32') {