.mocharc.json

// See https://mochajs.org/#configuring-mocha-nodejs and
// https://github.com/mochajs/mocha/blob/master/example/config/.mocharc.json.
{
  // By default Mocha tests time out after 2 seconds. Puppeteer seems to take
  // ~5 seconds to launch on GCE instances. Thus a timeout of 60s should be
  // plenty enough.
  "timeout": 60000,
  // Force Mocha to exit after tests finish. Don't hang forever if we e.g.
  // forget to shut down the Puppeteer Chrome instance.
  "exit": true
}