code: function getCoverageReport (folder) {
          var reports = grunt.file.expand(folder + '*/index.html');
  
          if (reports && reports.length > 0) {
              return reports[0];
          }
  
          return '';
      }
docs: Gets the index.html file from the code coverage folder.
  
  @param {!string} folder The path to the code coverage folder.