public function findAllReturnsQueryResult()
{
$this->postRepository = $this->objectManager->get(Fixtures\PostRepository::class);
$this->assertInstanceOf(Repository::class, $this->postRepository, 'Repository under test should be a Doctrine Repository');
$result = $this->postRepository->findAll();
$this->assertInstanceOf(QueryResultInterface::class, $result, 'findAll should return a QueryResult object');
}