test(app): add geocoding and restaurant card coverage

test/unit/data/datasources/remote/naver_search_service_test.dart

@@ -1,3 +1,7 @@
+// ignore_for_file: depend_on_referenced_packages
+
+import 'dart:io';
+
 import 'package:flutter_test/flutter_test.dart';
 import 'package:lunchpick/data/datasources/remote/naver_search_service.dart';
 import 'package:lunchpick/data/datasources/remote/naver_map_parser.dart';
@@ -5,6 +9,15 @@ import 'package:lunchpick/data/api/naver_api_client.dart';
 import 'package:lunchpick/data/api/naver/naver_local_search_api.dart';
 import 'package:lunchpick/domain/entities/restaurant.dart';
 import 'package:lunchpick/core/errors/network_exceptions.dart';
+import 'package:path_provider_platform_interface/path_provider_platform_interface.dart';
+
+class _FakePathProvider extends PathProviderPlatform {
+  @override
+  Future<String?> getTemporaryPath() async {
+    final tempDir = await Directory.systemTemp.createTemp('naver_search_test_');
+    return tempDir.path;
+  }
+}
 
 // Mock 클래스들
 class MockNaverApiClient extends NaverApiClient {
@@ -75,6 +88,9 @@ class MockNaverApiClient extends NaverApiClient {
   void dispose() {
     disposeCalled = true;
   }
+
+  @override
+  Future<String> resolveShortUrl(String shortUrl) async => shortUrl;
 }
 
 class MockNaverMapParser extends NaverMapParser {
@@ -123,6 +139,11 @@ void main() {
   late MockNaverApiClient mockApiClient;
   late MockNaverMapParser mockMapParser;
 
+  setUpAll(() {
+    TestWidgetsFlutterBinding.ensureInitialized();
+    PathProviderPlatform.instance = _FakePathProvider();
+  });
+
   setUp(() {
     mockApiClient = MockNaverApiClient();
     mockMapParser = MockNaverMapParser();