Merge pull request symfony#1337 from WouterJ/2.0

[Book/testing] Added a missing > at the PHPunit configuration code

Author: weaverryan

book/testing.rst

@@ -156,7 +156,7 @@ for its ``DemoController`` (`DemoControllerTest`_) that reads as follows::
     to modify your ``phpunit.xml.dist`` file to set the ``KERNEL_DIR`` environment
     variable to the directory of your kernel::
 
-        <phpunit
+        <phpunit>
             <!-- ... -->
             <php>
                 <server name="KERNEL_DIR" value="/path/to/your/app/" />