public async Task applies_lookups_to_senders() { theSettings.SendTo("fake://one"); var lookups = new UriAliasLookup(new IUriLookup[0]); lookups.SetAlias("fake://one", "tcp://server:2222"); await theSettings.ApplyLookups(lookups); theSettings.KnownSubscribers.Single() .Uri.ShouldBe("tcp://server:2222".ToUri()); }