Fix threading issues?

LobbyClientTest/Program.cs

@@ -3,7 +3,6 @@ using Lobbies;
 using LobbyClientTest;
 using LobbyServerDto;
 using System.Net;
-using System.Net.WebSockets;
 
 Console.WriteLine("Starting lobby client v0.7!");
 var lobbyClient = new LobbyClient();