From fba2da2d28a85a22f2da0d082aa0062a063f9694 Mon Sep 17 00:00:00 2001
From: Philipp Cordes <pc@irgendware.net>
Date: Thu, 17 Mar 2016 22:28:57 +0100
Subject: [PATCH] Calling the parent implementation is mandatory.

Among other things, `parent::setUp()` will call `getExtensions()` that uses the private variables.
---
 cookbook/form/unit_testing.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cookbook/form/unit_testing.rst b/cookbook/form/unit_testing.rst
index 879ea97e1ed..5ad0aa45f14 100644
--- a/cookbook/form/unit_testing.rst
+++ b/cookbook/form/unit_testing.rst
@@ -133,6 +133,8 @@ make sure the ``FormRegistry`` uses the created instance::
         {
             // mock any dependencies
             $this->entityManager = $this->getMock('Doctrine\Common\Persistence\ObjectManager');
+
+            parent::setUp();
         }
 
         protected function getExtensions()