code: function firstBite(dir) {
      targetDir = dir || path.join(__dirname, '../../..');
  
      if (targetDir.substring(targetDir.length - 1) === '/') {
          targetDir = targetDir.substring(0, targetDir.length - 1);
      }
  }
docs: chai.config.truncateThreshold = 0; 
  Initialize taste with the input params
  @param dir