Function aggregate

packages/benchpress/test/metric/perflog_metric_spec.ts:416–439

(
        events: any[],
        {
          microMetrics,
          captureFrames,
          receivedData,
          requestCount,
        }: {
          microMetrics?: {[key: string]: string};
          captureFrames?: boolean;
          receivedData?: boolean;
          requestCount?: boolean;
        } = {},
      )

    describe('aggregation', () => {
      function aggregate(
        events: any[],
        {
          microMetrics,
          captureFrames,
          receivedData,
          requestCount,
        }: {
          microMetrics?: {[key: string]: string};
          captureFrames?: boolean;
          receivedData?: boolean;
          requestCount?: boolean;
        } = {},
      ) {
        events.unshift(eventFactory.markStart('benchpress0', 0));
        events.push(eventFactory.markEnd('benchpress0', 10));
        const metric = createMetric([events], null!, {
          microMetrics: microMetrics,
          captureFrames: captureFrames,
          receivedData: receivedData,
          requestCount: requestCount,
        });
        return metric.beginMeasure().then((_) => metric.endMeasure(false));
      }

      describe('frame metrics', () => {
        it('should calculate mean frame time', (done) => {