code: function _error(data) {
              if (options.debug) {
                  process.stderr.write(data);
              }
              const cc = cache.controlChars.step;
              // concatenate the data with cache.stderr
              const stderr = cache.stderr + data;
              // if control character stripping is enabled, do it.
              cache.stderr = cc.strip === false ? stderr : stderr.replace(cc.regexp, '');
          }
docs: can'tfigure how to get inquirer to send stderr. skip? /* istanbul ignore next