merged branch drak/patch-1 (PR #3530)

Commits
-------

dd192a1 Add PHPUnit annotation.

Discussion
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Add PHPUnit annotation

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -

This test performs an action which affects the global space of the test process, therefor, these
tests must run in separate PHP processes.

tests/Symfony/Tests/Component/Form/Extension/Csrf/CsrfProvider/DefaultCsrfProviderTest.php

@@ -13,6 +13,9 @@ namespace Symfony\Tests\Component\Form\Extension\Csrf\CsrfProvider;
 
 use Symfony\Component\Form\Extension\Csrf\CsrfProvider\DefaultCsrfProvider;
 
+/**
+ * @runTestsInSeparateProcesses
+ */
 class DefaultCsrfProviderTest extends \PHPUnit_Framework_TestCase
 {
     protected $provider;