public void Want_Unwant()
{
var bitswap = new Bitswap {
Swarm = new Swarm {
LocalPeer = self
}
};
var cid = new DagNode(Encoding.UTF8.GetBytes("BitswapTest unknown block")).Id;
var cancel = new CancellationTokenSource();
var task = bitswap.Want(cid, self.Id, cancel.Token);
CollectionAssert.Contains(bitswap.PeerWants(self.Id).ToArray(), cid);
bitswap.Unwant(cid);
Assert.IsTrue(task.IsCanceled);
CollectionAssert.DoesNotContain(bitswap.PeerWants(self.Id).ToArray(), cid);
}