code: function deleteStats(collection) {
        var coverageType;
        for (coverageType in collection) {
          if (collection.hasOwnProperty(coverageType)) {
            if (collection[coverageType].hasOwnProperty("total")) {
              delete collection[coverageType].total;
            }
            if (collection[coverageType].hasOwnProperty("covered")) {
              delete collection[coverageType].covered;
            }
            if (collection[coverageType].hasOwnProperty("skipped")) {
              delete collection[coverageType].skipped;
            }
          }
        }
      }
docs: Helper function to delete total, covered and skipped statistic properties from a collection
  @param {Object} collection - a collection of statistic properties