toJson() {
   return {
     'timeStamp': DateWrapper.toJson(this.timeStamp),
     'runIndex': this.runIndex,
     'values': this.values
   };
 }

    it('should reportSample to call', inject([AsyncTestCompleter], (async) => {
         var completeSample = [
           new MeasureValues(0, DateWrapper.now(), {}),
           new MeasureValues(1, DateWrapper.now(), {})
         ];
         var validSample = [completeSample[1]];

         createReporters(['m1', 'm2'])
             .then((r) => r.reportSample(completeSample, validSample))
             .then((values) => {

               expect(values).toEqual([
                 {'id': 'm1', 'completeSample': completeSample, 'validSample': validSample},
                 {'id': 'm2', 'completeSample': completeSample, 'validSample': validSample}
               ]);
               async.done();
             })
       }));

 reportSample(completeSample: MeasureValues[], validSample: MeasureValues[]): Promise<any> {
   var content = Json.stringify({
     'description': this._description,
     'completeSample': completeSample,
     'validSample': validSample
   });
   var filePath =
       `${this._path}/${this._description.id}_${DateWrapper.toMillis(this._now())}.json`;
   return this._writeFile(filePath, content);
 }

function mv(runIndex, time, values) {
  return new MeasureValues(runIndex, DateWrapper.fromMillis(time), values);
}

 bind(Options.NOW).toValue(() => DateWrapper.fromMillis(1234)),

 {provide: _NOW, useValue: () => DateWrapper.now()},

 provide(_NOW, {useValue: () => DateWrapper.now()}),