public async Task TestTearDownStreamBroken()
{
var source = new StreamMessageSenderComposite <int>(_provider, 2);
var factory = new DefaultStreamProcessorAggregateFactory(GrainFactory);
var query = await source.Select(x => x, factory);
var queryOutputStreams = await query.GetOutputStreams();
var resultConsumer = new TestTransactionalTransactionalStreamConsumerAggregate <int>(_provider);
await resultConsumer.SetInput(queryOutputStreams);
Assert.AreEqual(2, queryOutputStreams.Count);
Assert.AreEqual(0, resultConsumer.Items.Count);
Assert.IsFalse(await resultConsumer.AllConsumersTearDownCalled());
await query.TearDown();
await resultConsumer.TearDown();
Assert.IsTrue(await resultConsumer.AllConsumersTearDownCalled());
await source.SendMessage(new ItemMessage <int>(new List <int>()
{
2, 3
}));
Assert.AreEqual(0, resultConsumer.Items.Count);
Assert.IsTrue(await resultConsumer.AllConsumersTearDownCalled());
}