request('GET', '/api/mail/messages/999'); self::assertResponseStatusCodeSame(401); } public function testGetMessageDetailReturns404WhenMessageNotFound(): void { $client = static::createClient(); $container = static::getContainer(); $em = $container->get('doctrine.orm.entity_manager'); $user = $em->getRepository(User::class)->findOneBy(['username' => 'alice']); $client->loginUser($user); $client->request('GET', '/api/mail/messages/99999'); self::assertResponseStatusCodeSame(404); } }