Fixed tests

lib/data/dto/game_session.dart

@@ -26,8 +26,8 @@ class GameSession extends ChangeNotifier {
   int roundNumber;
   List<Round> roundList;
 
-  GameSession(
-      {required this.id,
+  GameSession({
+    required this.id,
     required this.createdAt,
     required this.gameTitle,
     required this.players,
@@ -37,7 +37,8 @@ class GameSession extends ChangeNotifier {
     this.isGameFinished = false,
     this.winner = '',
     this.roundNumber = 1,
-      this.roundList = const []});
+    List<Round>? roundList,
+  }) : roundList = roundList ?? [];
 
   @override
   toString() {