main_testing.dart

void main() {
  runApp(TestingApp());
}

class TestingApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider<Favorites>(
      create: (context) => Favorites(),
      child: MaterialApp(
        title: 'Testing Sample',
        theme: ThemeData(
          primarySwatch: Colors.blue,
          visualDensity: VisualDensity.adaptivePlatformDensity,
        ),
        routes: AppRoutes().generateRoutes(),
        initialRoute: HomePage.routeName,
      ),
    );
  }
}

class AppRoutes {
  generateRoutes() {
    return {
      HomePage.routeName: (context) => HomePage(),
      FavoritesPage.routeName: (context) => FavoritesPage(),
    };
  }
}