// currently only tests that a single file has been added
 private async Task TestFiles(IMobileServiceSyncTable<DataEntity> table, string name, string content)
 {
     var files = await table.GetFilesAsync(item);
     Assert.Equal(1, files.Count());
     Assert.Equal(name, files.ElementAt(0).Name);
     using (var stream = await table.GetFileAsync(item, name))
     {
         Assert.Equal(content, new StreamReader(stream).ReadToEnd());
     }
 }