[DDC-1766] Remove some testcode

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

@@ -57,16 +57,6 @@ class HydrationCacheTest extends OrmFunctionalTestCase
                       ->getArrayResult();
 
         $this->assertEquals($c + 1, $this->getCurrentQueryCount(), "Hydration now cached");
-
-        $dql = "SELECT u FROM Doctrine\Tests\Models\Cms\CmsUser u";
-        $users = $this->_em->createQuery($dql)
-                      ->setHydrationCacheProfile(new QueryCacheProfile('cachekey', null, $cache))
-                      ->getArrayResult();
-
-        $data = $this->readAttribute($cache, 'data');
-        var_dump(array_keys($data));
-
-        $this->assertTrue($cache->contains('cachekey'), 'Explicit cache key');
     }
 }