getModule('Symfony'); $this->entityManager = $symfony->grabService(EntityManagerInterface::class); $this->mapper = $symfony->grabService(NewsListDTOMapper::class); } public function testMapper() { $news = $this->entityManager->getRepository(News::class)->getActivePaginatedNews(); $dto = $this->mapper->fill($news); $this->assertNotEmpty($dto->getNews()); } }