public async Task When_Posting_With_An_In_Memory_Outbox_Async()
{
await _commandProcessor.PostAsync(_myCommand);
var message = await _outbox.GetAsync(_myCommand.Id);
//_should_store_the_message_in_the_sent_command_message_repository
message.Should().NotBeNull();
//_should_send_a_message_via_the_messaging_gateway
_fakeMessageProducer.MessageWasSent.Should().BeTrue();
//_should_convert_the_command_into_a_message
message.Should().Be(_message);
}