turn model;
  }

  function testStartup(systrace, expectedTimeInMs) {
    const histograms = new tr.v.HistogramSet();
    tr.metrics.sh.androidSystraceMetric(histograms, makeModel(systrace));
    assert.lengthOf(histograms, 1);
    const startupHist = histograms.getHistogramNamed(
        'android:systrace:startup:com.android.apps.sms').running;
    assert.strictEqual(startupHist.count, 1);
    assert.closeTo(startupHist.mean, expectedTimeInMs, 1e-5);
  }

  test('androidSystraceMetric_startup_noData', func