public async Task ReadFileTest()
        {
            // Write file to blob store
            string fileName = "storageTest.txt";
            string expected = "ReadFileTest text for testing";
            string actual   = "";

            UploadFileHelper(fileName, expected);
            IStorageService storageService = new BlobStorageService(_connectionString, _testContainerName);
            Stream          file           = await storageService.ReadFileAsync(fileName);

            using (StreamReader sr = new StreamReader(file))
            {
                actual = sr.ReadToEnd();
            }
            Assert.Equal(expected, actual);
        }