async getArtifact(passContext) {
    const driver = passContext.driver;

    await driver.defaultSession.sendCommand('DOM.enable');
    const results = await driver.executionContext.evaluate(getDOMStats, {
      args: [],
      useIsolation: true,
      deps: [pageFunctions.getNodeDetails],
    });
    await driver.defaultSession.sendCommand('DOM.disable');
    return results;
  }
@param {LH.Gatherer.Context} passContext
@return {Promise<LH.Artifacts['DOMStats']>}