public async void LoadFile_CheckNumberOfRows_EqualToFrequencyCount()
        {
            var dailyTemps = await FileToTimeSeries.FromCsv(@"..\..\data\daily-minimum-temperatures-in-me.csv",
                                                            "Melbourne Temperatures", true);

            Assert.Equal(Frequency.Day, dailyTemps.Frequency);
        }
        public async void LoadFile_CheckMovingAverageValues_EqualsPeriodDivide()
        {
            var dailyTemps = await FileToTimeSeries.FromCsv(@"..\..\data\daily-minimum-temperatures-in-me.csv",
                                                            "Melbourne Temperatures", true);

            int count  = dailyTemps.Storage.Values.Count;
            int size   = 4;
            var output = dailyTemps.RollingMean(4);

            Assert.Equal(count / size, output.Count());
        }