old_contents: module.exports = {
      'default': require('./default'),
      'skip_passed': require('./skip_passed')
  };
  
new_contents: module.exports = {
      'default': require('./default'),
      'skip_passed': require('./skip_passed'),
      'minimal': require('./minimal'),
      'html': require('./html')
  };
  
subject: Update lib/reporters/index.js with new reporters