This seems to be a fairly reproducible topic hang, which is nice to have

tests/Tgstation.Server.Tests/Live/TestLiveServer.cs

@@ -1475,11 +1475,24 @@ namespace Tgstation.Server.Tests.Live
 					var chatReadTask = instanceClient.ChatBots.List(null, cancellationToken);
 
 					// Check the DMAPI got the channels again https://github.com/tgstation/tgstation-server/issues/1490
-					topicRequestResult = await WatchdogTest.StaticTopicClient.SendTopic(
-						IPAddress.Loopback,
-						$"tgs_integration_test_tactics7=1",
-						mainDDPort,
-						cancellationToken);
+					var tries = 3;
+					while (true)
+						try
+						{
+							// HEY I THINK I FOUND A WAY TO RELIABLY REPRODUCE THE TOPIC HANG
+							// JUST SET A BREAKPOINT IN THE CATCH
+							// Maybe, with enough investigation, either I can figure out the cause or get Lummox to tell me
+							topicRequestResult = await WatchdogTest.StaticTopicClient.SendTopic(
+								IPAddress.Loopback,
+								$"tgs_integration_test_tactics7=1",
+								mainDDPort,
+								cancellationToken);
+							break;
+						}
+						catch (OperationCanceledException) when (--tries > 0)
+						{
+							await Task.Delay(TimeSpan.FromSeconds(5), cancellationToken);
+						}
 
 					Assert.IsNotNull(topicRequestResult);
 					if(!Int32.TryParse(topicRequestResult.StringData, out var channelsPresent))