code: function filterSuite(callback) {
        var suite = this,
            result = new suite.constructor(suite.options);
  
        result.push.apply(result, filter(suite, 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.