chore: add suggestions

lib/game/components/ball.dart

@@ -1,12 +1,10 @@
-import 'package:flame_bloc/flame_bloc.dart';
 import 'package:flame_forge2d/body_component.dart';
 import 'package:flutter/material.dart';
 import 'package:forge2d/forge2d.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball/theme/theme.dart';
 
-class Ball extends BodyComponent<PinballGame>
+class Ball extends BodyComponent<PinballGame> {
-    with BlocComponent<ThemeCubit, ThemeState> {
   Ball({
     required Vector2 position,
   }) : _position = position;

lib/theme/view/character_selection_page.dart

@@ -41,8 +41,9 @@ class CharacterSelectionView extends StatelessWidget {
             const _CharacterSelectionGridView(),
             const SizedBox(height: 20),
             TextButton(
-              onPressed: () =>
+              onPressed: () => Navigator.of(context).push<void>(
-                  Navigator.of(context).push<void>(PinballGamePage.route()),
+                PinballGamePage.route(),
+              ),
               child: Text(l10n.start),
             ),
           ],
@@ -65,19 +66,19 @@ class _CharacterSelectionGridView extends StatelessWidget {
         mainAxisSpacing: 20,
         crossAxisSpacing: 20,
         children: const [
-          _CharacterImageButton(
+          CharacterImageButton(
             DashTheme(),
             key: Key('characterSelectionPage_dashButton'),
           ),
-          _CharacterImageButton(
+          CharacterImageButton(
             SparkyTheme(),
             key: Key('characterSelectionPage_sparkyButton'),
           ),
-          _CharacterImageButton(
+          CharacterImageButton(
             AndroidTheme(),
             key: Key('characterSelectionPage_androidButton'),
           ),
-          _CharacterImageButton(
+          CharacterImageButton(
             DinoTheme(),
             key: Key('characterSelectionPage_dinoButton'),
           ),
@@ -87,8 +88,9 @@ class _CharacterSelectionGridView extends StatelessWidget {
   }
 }
 
-class _CharacterImageButton extends StatelessWidget {
+@visibleForTesting
-  const _CharacterImageButton(
+class CharacterImageButton extends StatelessWidget {
+  const CharacterImageButton(
     this.characterTheme, {
     Key? key,
   }) : super(key: key);

test/theme/view/character_selection_page_test.dart

@@ -24,7 +24,7 @@ void main() {
   group('CharacterSelectionPage', () {
     testWidgets('renders CharacterSelectionView', (tester) async {
       await tester.pumpApp(
-        const CharacterSelectionPage(),
+        CharacterSelectionPage(),
         themeCubit: themeCubit,
       );
       expect(find.byType(CharacterSelectionView), findsOneWidget);
@@ -40,7 +40,7 @@ void main() {
                   Navigator.of(context)
                       .push<void>(CharacterSelectionPage.route());
                 },
-                child: const Text('Tap me'),
+                child: Text('Tap me'),
               );
             },
           ),
@@ -64,7 +64,7 @@ void main() {
       );
 
       expect(find.text(titleText), findsOneWidget);
-      expect(find.byType(Image), findsNWidgets(4));
+      expect(find.byType(CharacterImageButton), findsNWidgets(4));
       expect(find.byType(TextButton), findsOneWidget);
     });
 
@@ -98,4 +98,13 @@ void main() {
       verify(() => navigator.push<void>(any())).called(1);
     });
   });
+
+  testWidgets('CharacterImageButton renders correctly', (tester) async {
+    await tester.pumpApp(
+      CharacterImageButton(DashTheme()),
+      themeCubit: themeCubit,
+    );
+
+    expect(find.byType(Image), findsOneWidget);
+  });
 }