car-interface-android/test/status_cluster_test.dart

import 'package:cardash_launcher/core/theme/app_theme.dart';
import 'package:cardash_launcher/data/models/system_status.dart';
import 'package:cardash_launcher/features/home/widgets/status_cluster.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('shows the yellow update dot on the Settings gear', (
    tester,
  ) async {
    await tester.pumpWidget(
      MaterialApp(
        theme: AppTheme.dark(),
        home: Scaffold(
          body: Center(
            child: StatusCluster(
              status: const SystemStatus(batteryLevel: 80, wifi: true),
              showUpdateAvailable: true,
              onOpenSettings: () {},
            ),
          ),
        ),
      ),
    );

    expect(find.byKey(const Key('settings-update-dot')), findsOneWidget);
  });
}