public void ShouldDownloadEnvelopeEncryptionProtectedAssetFile()
{
IAsset asset = _mediaContext.Assets.Create(_smallWmv, AssetCreationOptions.EnvelopeEncryptionProtected);
string name = Path.GetFileName(_smallWmv);
IAssetFile file = asset.AssetFiles.Create(name);
file.Upload(_smallWmv);
VerifyAndDownloadAsset(asset, 1,_smallWmv,true);
}