Update tests for acc3fe8

We can just use a wesnothd_connection object directly here.

(cherry picked from commit 7767902)

src/tests/gui/test_gui2.cpp

@@ -848,16 +848,16 @@ template<>
 struct dialog_tester<mp_lobby>
 {
 	config game_config;
-	wesnothd_connection_ptr connection;
+	wesnothd_connection connection;
 	wesnothd_connection_init init;
 	std::vector<std::string> installed_addons;
 	mp::lobby_info li;
-	dialog_tester() : connection(wesnothd_connection::create("", "")), init(*connection), li(installed_addons)
+	dialog_tester() : connection("", ""), init(*connection), li(installed_addons)
 	{
 	}
 	mp_lobby* create()
 	{
-		return new mp_lobby(game_config, li, *connection);
+		return new mp_lobby(game_config, li, connection);
 	}
 };
 
@@ -874,13 +874,13 @@ struct dialog_tester<lobby_player_info>
 {
 	config c;
 	fake_chat_handler ch;
-	wesnothd_connection_ptr connection;
+	wesnothd_connection connection;
 	wesnothd_connection_init init;
 	mp::user_info ui;
 	std::vector<std::string> installed_addons;
 	mp::lobby_info li;
 	dialog_tester()
-		: connection(wesnothd_connection::create("", "")), init(*connection)
+		: connection("", ""), init(connection)
 		, ui(c), li(installed_addons)
 	{
 	}