fix: update selected character

lib/select_character/widgets/selected_character.dart

@@ -91,7 +91,9 @@ class _SelectedCharacterState extends State<SelectedCharacter>
           children: [
             Text(
               currentCharacter.name,
-              style: AppTextStyle.headline3,
+              style: AppTextStyle.headline2.copyWith(
+                color: AppColors.white,
+              ),
               textAlign: TextAlign.center,
             ),
             const SizedBox(height: 20),

test/select_character/widgets/selected_character_test.dart

@@ -2,13 +2,17 @@
 
 import 'package:bloc_test/bloc_test.dart';
 import 'package:flame/flame.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
 import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 
 import '../../helpers/helpers.dart';
 
+class MockBuildContext extends Mock implements BuildContext {}
+
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
   late CharacterThemeCubit characterThemeCubit;
@@ -30,7 +34,7 @@ void main() {
 
   group('SelectedCharacter', () {
     testWidgets('loadAssets method returns list of futures', (tester) async {
-      expect(SelectedCharacter.loadAssets(), isList);
+      expect(SelectedCharacter.loadAssets(MockBuildContext()), isList);
     });
 
     testWidgets('renders selected character', (tester) async {