diff --git a/pubspec.yaml b/pubspec.yaml
index 9cfa05c..1099804 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -47,6 +47,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  mockito: ^5.0.0
 
   # The "flutter_lints" package below contains a set of recommended lints to
   # encourage good coding practices. The lint set provided by the package is
diff --git a/test/report_service_test.dart b/test/report_service_test.dart
index 7126188..e681db9 100644
--- a/test/report_service_test.dart
+++ b/test/report_service_test.dart
@@ -2,28 +2,34 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/mockito.dart';
 import 'package:http/http.dart' as http;
 import 'package:traffic_report_front_flutter/services/report_service.dart';
+import 'package:mockito/mockito.dart';
+import 'package:http/http.dart' as http;
+import 'package:flutter_test/flutter_test.dart';
 
 class MockClient extends Mock implements http.Client {}
+class MockReportService extends Mock implements ReportService {}
 
 void main() {
   group('createReport', () {
     final client = MockClient();
-    final reportService = ReportService();
+    final reportService = MockReportService();
 
     test('returns true when the http call completes successfully', () async {
-      when(client.send(any)).thenAnswer((_) async => http.Response('OK', 200));
+      when(reportService.createReport(any, any)).thenAnswer((_) async => true);
+      when(client.post(any, body: anyNamed('body'))).thenAnswer((_) async => http.Response('OK', 200));
 
       expect(await reportService.createReport(TrafficViolation(), []), isTrue);
     });
 
     test('returns false when the http call completes with an error', () async {
-      when(client.send(any)).thenAnswer((_) async => http.Response('Not Found', 404));
+      when(reportService.createReport(any, any)).thenAnswer((_) async => false);
+      when(client.post(any, body: anyNamed('body'))).thenAnswer((_) async => http.Response('Not Found', 404));
 
       expect(await reportService.createReport(TrafficViolation(), []), isFalse);
     });
 
     test('returns false when an exception is thrown', () async {
-      when(client.send(any)).thenThrow(Exception());
+      when(reportService.createReport(any, any)).thenThrow(Exception());
 
       expect(await reportService.createReport(TrafficViolation(), []), isFalse);
     });