def METHOD_NAME(self):
    results = (
        MeasureValue.objects.filter(measure_id="cerazette")
        .by_org("practice")
        .aggregate_by_measure_and_month()
    )
    results = list(results)
    self.assertEqual(len(results), 1)
    mv = results[0]
    self.assertEqual(mv.measure_id, "cerazette")
    self.assertEqual(mv.month, datetime.date(2015, 9, 1))
    self.assertEqual(mv.numerator, 85500)
    self.assertEqual(mv.denominator, 181500)
    self.assertEqual("%.4f" % mv.calc_value, "0.4711")
    self.assertEqual("%.2f" % mv.cost_savings["10"], "70149.77")
    self.assertEqual("%.2f" % mv.cost_savings["50"], "59029.41")
    self.assertEqual("%.2f" % mv.cost_savings["90"], "162.00")