pr suggestions

lib/game/components/backbox/bloc/backbox_state.dart

@@ -14,12 +14,6 @@ class LoadingState extends BackboxState {
   List<Object?> get props => [];
 }
 
-/// Failure state for the backbox.
-class FailureState extends BackboxState {
-  @override
-  List<Object?> get props => [];
-}
-
 /// State when the leaderboard was successfully loaded.
 class LeaderboardSuccessState extends BackboxState {
   @override

test/game/components/backbox/bloc/backbox_state_test.dart

@@ -16,16 +16,6 @@ void main() {
       });
     });
 
-    group('FailureState', () {
-      test('can be instantiated', () {
-        expect(FailureState(), isNotNull);
-      });
-
-      test('supports value comparison', () {
-        expect(FailureState(), equals(FailureState()));
-      });
-    });
-
     group('LeaderboardSuccessState', () {
       test('can be instantiated', () {
         expect(LeaderboardSuccessState(), isNotNull);