public void ShouldUploadFolderAsync()
{
// Arrange
IFilesApi filesApi = CreateFilesApi();
// Act & Assert
filesApi.UploadFolderAsync("calendar", "http://www.7-zip.org/a/7za920.zip", true).Wait();
Should.Throw <ArgumentNullException>(() => filesApi.UploadFolderAsync(null, string.Empty, false));
Should.Throw <ArgumentNullException>(() => filesApi.UploadFolderAsync(string.Empty, null, false));
}