public void FeedToken_PartitionKey_EnrichRequest()
{
PartitionKey pk = new PartitionKey("test");
FeedTokenPartitionKey token = new FeedTokenPartitionKey(pk);
RequestMessage requestMessage = new RequestMessage();
token.EnrichRequest(requestMessage);
Assert.AreEqual(pk.ToJsonString(), requestMessage.Headers.PartitionKey);
Assert.ThrowsException <ArgumentNullException>(() => token.EnrichRequest(null));
}