public async void CheckForFileContents()
        {
            CalculateAggragate obj    = new CalculateAggragate();
            JObject            actual = await obj.Main();

            string ExpectedOutput = await FileUtilities.FileReadAsyncReturnString("../../../expected-output.json");

            JObject expected = JsonSerializor.DeSerializor(ExpectedOutput);

            Assert.Equal(expected, actual);
        }