Respond with Goodbye! in GoodbyePacket

TcpDotNet.ListenerIntegrationTest/PacketHandlers/HelloPacketHandler.cs

@@ -7,6 +7,6 @@ internal sealed class HelloPacketHandler : PacketHandler<HelloPacket>
     public override Task HandleAsync(BaseClientNode recipient, HelloPacket packet, CancellationToken cancellationToken = default)
     {
         Console.WriteLine($"Client sent {packet.Message}");
-        return recipient.SendPacketAsync(new GoodbyePacket {Message = "Nope"}, cancellationToken);
+        return recipient.SendPacketAsync(new GoodbyePacket {Message = "Goodbye!"}, cancellationToken);
     }
 }