car-interface-android/test/music_equalizer_test.dart

import 'package:cardash_launcher/core/theme/app_theme.dart';
import 'package:cardash_launcher/features/home/widgets/music_equalizer.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('equalizer animates in a shortcut-sized box', (tester) async {
    await tester.pumpWidget(
      MaterialApp(
        theme: AppTheme.light(),
        home: const Scaffold(body: Center(child: MusicEqualizer())),
      ),
    );
    await tester.pump(const Duration(milliseconds: 450));

    expect(tester.takeException(), isNull);
    expect(find.byType(MusicEqualizer), findsOneWidget);
  });
}