fix tests

test/helpers/pump_app.dart

@@ -12,6 +12,7 @@ import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 import 'package:pinball_ui/pinball_ui.dart';
+import 'package:platform_helper/platform_helper.dart';
 import 'package:share_repository/share_repository.dart';
 
 class _MockAssetsManagerCubit extends Mock implements AssetsManagerCubit {}
@@ -29,6 +30,8 @@ class _MockStartGameBloc extends Mock implements StartGameBloc {}
 
 class _MockPinballAudioPlayer extends Mock implements PinballAudioPlayer {}
 
+class _MockPlatformHelper extends Mock implements PlatformHelper {}
+
 PinballAudioPlayer _buildDefaultPinballAudioPlayer() {
   final audioPlayer = _MockPinballAudioPlayer();
   when(audioPlayer.load).thenAnswer((_) => [Future.value()]);
@@ -50,6 +53,12 @@ AssetsManagerCubit _buildDefaultAssetsManagerCubit() {
   return cubit;
 }
 
+PlatformHelper _buildPlatformHelper() {
+  final platformHelper = _MockPlatformHelper();
+  when(() => platformHelper.isMobile).thenAnswer((_) => false);
+  return platformHelper;
+}
+
 extension PumpApp on WidgetTester {
   Future<void> pumpApp(
     Widget widget, {
@@ -60,6 +69,7 @@ extension PumpApp on WidgetTester {
     LeaderboardRepository? leaderboardRepository,
     ShareRepository? shareRepository,
     PinballAudioPlayer? pinballAudioPlayer,
+    PlatformHelper? platformHelper,
   }) {
     return runAsync(() {
       return pumpWidget(
@@ -74,6 +84,9 @@ extension PumpApp on WidgetTester {
             RepositoryProvider.value(
               value: pinballAudioPlayer ?? _buildDefaultPinballAudioPlayer(),
             ),
+            RepositoryProvider.value(
+              value: platformHelper ?? _buildPlatformHelper(),
+            ),
           ],
           child: MultiBlocProvider(
             providers: [