code: function writeLogs(test, dirName) {
    var logs =
      test.fullTitle() +
      '\n' +
      test.file +
      '\nStart: ' +
      test.start +
      '\nEnd: ' +
      test.end +
      '\nElapsed: ' +
      test.duration +
      '\nStatus: ' +
      test.state;
    if (test.state === 'fail') {
      logs += '\nError: ' + test.err.stack;
    }
    mkdirp.sync(testDir(test, dirName));
    fs.writeFileSync(testURL(test, dirName), logs);
    test.url = testURL(test, dirName);
  }
docs: Writes logs to a file in the specified directory
  @param {test} test
  @param {string} dirName