public void TestGetCcgDataValue()
        {
            var grouping = new Grouping
            {
                IndicatorId = IndicatorIds.Aged0To4Years,
                SexId = SexIds.Persons,
                AgeId = AgeIds.From0To4
            };

            var reader = new PracticeDataAccess();
            double val = reader.GetPracticeAggregateDataValue(grouping, new TimePeriod { Year = 2011, YearRange = 1 },
                AreaCodes.Ccg_Barnet);

            // Value ~6.8 but changes with composition of CCG
            Assert.IsTrue(val < 7 && val > 6);
        }