code: function filterSuite(callback) {
      var me = this,
          result = new me.constructor;
  
      result.push.apply(result, filter(me, callback));
      return result;
    }
docs: An `Array#filter` like method.
  
  @name filter
  @memberOf Benchmark.Suite
  @param {Function|String} callback The function/alias called per iteration.
  @returns {Object} A new suite of benchmarks that passed callback filter.