static _getDataSavePath(settings) {
    const {auditMode, gatherMode} = settings;

    // This enables usage like: -GA=./custom-folder
    if (typeof auditMode === 'string') return path.resolve(process.cwd(), auditMode);
    if (typeof gatherMode === 'string') return path.resolve(process.cwd(), gatherMode);

    return path.join(process.cwd(), 'latest-run');
  }
Get path to use for -G and -A modes. Defaults to $CWD/latest-run
@param {LH.Config.Settings} settings
@return {string}