feat(tests): test coverage is 70.4

test/features/diary/presentation/pages/barcode_scanner_screen_smoke_test.dart

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+import 'package:eatvio_app/core/app_config.dart';
+import 'package:eatvio_app/core/app_initializer.dart';
+import 'package:eatvio_app/core/locator_service.dart';
+import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/features/diary/presentation/pages/barcode_scanner_screen.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('BarcodeScannerScreen smoke', () {
+    setUpAll(() async {
+      dotenv.loadFromString(envString: 'DEV_BASE_URL=http://localhost\nBASE_URL=http://localhost');
+    });
+
+    setUp(() async {
+      await sl.reset();
+      sl.registerLazySingleton<AppConfig>(() => AppConfig(buildType: AppBuildType.tests)..setBaseUrl('http://localhost'));
+    });
+
+    Widget wrap(Widget child) {
+      return MaterialApp(
+        theme: ThemeHelper().themeData(),
+        home: child,
+      );
+    }
+
+    testWidgets('renders barcode scanner screen', (tester) async {
+      await tester.pumpWidget(wrap(const BarcodeScannerScreen()));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(BarcodeScannerScreen), findsOneWidget);
+      expect(find.text('Сканирование штрихкода'), findsOneWidget);
+      expect(find.text('Наведите камеру на штрихкод'), findsOneWidget);
+    });
+
+    testWidgets('displays barcode scanner UI elements', (tester) async {
+      await tester.pumpWidget(wrap(const BarcodeScannerScreen()));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Найденный штрихкод'), findsOneWidget);
+      expect(find.text('Наведите камеру на штрихкод'), findsOneWidget);
+    });
+  });
+}