Merge branch '4.3' into 4.4

* 4.3:
  Add missing annotation

Author: nicolas-grekas

Test/DoctrineTestHelper.php

@@ -79,7 +79,7 @@ public static function createTestConfigurationWithXmlLoader()
         $symfonyFileLocator = class_exists(SymfonyFileLocator::class) ? SymfonyFileLocator::class : LegacySymfonyFileLocator::class;
         $driverChain = class_exists(MappingDriverChain::class) ? MappingDriverChain::class : LegacyMappingDriverChain::class;
 
-        $driverChain = new MappingDriverChain();
+        $driverChain = new $driverChain();
         $driverChain->addDriver(
             new XmlDriver(
                 new $symfonyFileLocator(

Test/TestRepositoryFactory.php

@@ -29,8 +29,10 @@ final class TestRepositoryFactory implements RepositoryFactory
 
     /**
      * {@inheritdoc}
+     *
+     * @return ObjectRepository|LegacyObjectRepository
      */
-    public function getRepository(EntityManagerInterface $entityManager, $entityName): ObjectRepository
+    public function getRepository(EntityManagerInterface $entityManager, $entityName)
     {
         $repositoryHash = $this->getRepositoryHash($entityManager, $entityName);