diff --git a/Tests/Form/Type/CenterTypeTest.php b/Tests/Form/Type/CenterTypeTest.php
index 8c3d2f290..48b96375e 100644
--- a/Tests/Form/Type/CenterTypeTest.php
+++ b/Tests/Form/Type/CenterTypeTest.php
@@ -23,6 +23,8 @@ use Symfony\Component\Form\Test\TypeTestCase;
 use Chill\MainBundle\Form\Type\CenterType;
 use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Entity\GroupCenter;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 
 
 /**
@@ -48,7 +50,7 @@ class CenterTypeTest extends TypeTestCase
         
         $type = $this->prepareType($user);
       
-        $this->assertEquals('hidden', $type->getParent());
+        $this->assertEquals(HiddenType::class, $type->getParent());
     }
     
     /**
@@ -71,7 +73,7 @@ class CenterTypeTest extends TypeTestCase
         
         $type = $this->prepareType($user);
       
-        $this->assertEquals('hidden', $type->getParent());
+        $this->assertEquals(HiddenType::class, $type->getParent());
     }
     
     /**
@@ -96,7 +98,7 @@ class CenterTypeTest extends TypeTestCase
         
         $type = $this->prepareType($user);
         
-        $this->assertEquals('entity', $type->getParent());
+        $this->assertEquals(EntityType::class, $type->getParent());
     }
     
     /**