doctrine#1169 DDC-3343 - updating test expectations - one-to-many ch…

…anges should be no-op unless orphan removal is specified.

tests/Doctrine/Tests/ORM/Functional/ExtraLazyCollectionTest.php

@@ -726,7 +726,7 @@ public function testRemovingManagedLazyProxyFromExtraLazyOneToManyDoesRemoveTheA
             'Even though the collection is extra lazy, the tweet should not have been deleted'
         );
 
-        $this->assertNull($tweet->author);
+        $this->assertInstanceOf(User::CLASSNAME, $tweet->author);
 
         /* @var $user User */
         $user = $this->_em->find(User::CLASSNAME, $userId);