Fix broken type declaration (#9330)

Author: derrabus

tests/Doctrine/Performance/Mock/NonProxyLoadingUnitOfWork.php

@@ -5,14 +5,13 @@
 namespace Doctrine\Performance\Mock;
 
 use Doctrine\ORM\UnitOfWork;
-use Doctrine\Tests\ORM\Performance\PersisterMock;
 
 /**
  * An unit of work mock that prevents lazy-loading of proxies
  */
 class NonProxyLoadingUnitOfWork extends UnitOfWork
 {
-    /** @var PersisterMock */
+    /** @var NonLoadingPersister */
     private $entityPersister;
 
     public function __construct()