public async Task CanFetch()
{
int partitionId = 0;
var router = new BrokerRouter(new KafkaOptions(TestConfig.IntegrationUri));
var producer = new Producer(router);
string messageValue = Guid.NewGuid().ToString();
var response = await producer.SendMessageAsync(new Message(messageValue), TestConfig.TopicName(), partitionId, CancellationToken.None);
var offset = response.Offset;
var fetch = new FetchRequest.Topic(TestConfig.TopicName(), partitionId, offset, 32000);
var fetchRequest = new FetchRequest(fetch, minBytes: 10);
var r = await router.SendAsync(fetchRequest, TestConfig.TopicName(), partitionId, CancellationToken.None);
Assert.IsTrue(r.Topics.First().Messages.First().Value.ToUtf8String() == messageValue);
}