async function snapshot(page, options) {
  const gatherResult = await snapshotGather(page, options);
  return Runner.audit(gatherResult.artifacts, gatherResult.runnerOptions);
}
@param {LH.Puppeteer.Page} page
@param {{config?: LH.Config, flags?: LH.Flags}} [options]
@return {Promise<LH.RunnerResult|undefined>}