[DoctrineBridge] Silence ORM deprecation

Author: nicolas-grekas

Test/DoctrineTestHelper.php

@@ -24,6 +24,7 @@
 use Doctrine\Persistence\Mapping\Driver\MappingDriverChain;
 use Doctrine\Persistence\Mapping\Driver\SymfonyFileLocator;
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarExporter\LazyGhostTrait;
 
 /**
  * Provides utility functions needed in tests.
@@ -90,6 +91,10 @@ public static function createTestConfiguration()
             $config->setSchemaManagerFactory(new DefaultSchemaManagerFactory());
         }
 
+        if (\PHP_VERSION_ID >= 80100 && method_exists(Configuration::class, 'setLazyGhostObjectEnabled') && trait_exists(LazyGhostTrait::class)) {
+            $config->setLazyGhostObjectEnabled(true);
+        }
+
         return $config;
     }