public void ThenThereShouldAMessageAtIndexOfTheRouteSMessages(int index)
 {
     route.Messages.ElementAt(index).Should().NotBeNull();
     message = route.Messages.ElementAt(index);
 }
 public void ThenOnlyOneMessageInTheRoute()
 {
     route.Messages.Count().Should().Be(1);
     message = route.Messages.Single();
 }