public void Test_that_Ack_call_calls_Ack_method_of_underlying_consumer_with_correct_delivery_tag()
{
const ulong deliveryTag = 42;
var consumerMock = new Mock <IMessageConsumer>();
var message = new EnvelopedMessage
(
Enumerable.Empty <byte>(),
consumerMock.Object,
string.Empty,
string.Empty,
deliveryTag,
string.Empty
);
message.Ack();
consumerMock.Verify(x => x.Ack(deliveryTag), Times.Once);
}