tests: fix up test project after major refactor

src/StevesBot.Worker.Tests/Integration/Infrastructure/TestWebSocketServer.cs

@@ -2,9 +2,7 @@ using WebSocket = System.Net.WebSockets.WebSocket;
 
 namespace StevesBot.Worker.Tests.Integration.Infrastructure;
 
-# pragma warning disable CA1001
-
-public sealed class TestWebSocketServer : IAsyncLifetime
+public sealed class TestWebSocketServer : IAsyncLifetime, IDisposable
 {
   private readonly IWebHost _host;
   private readonly CancellationTokenSource _echoCts = new();
@@ -111,4 +109,9 @@ public sealed class TestWebSocketServer : IAsyncLifetime
       webSocket.Dispose();
     }
   }
+
+  public void Dispose()
+  {
+    _host.Dispose();
+  }
 }