minor symfony#13245 [2.3] missing cleanup for legacy test (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
----------

[2.3] missing cleanup for legacy test

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

7e929ab [2.3] missing cleanup for legacy test

Author: fabpot

src/Symfony/Bundle/TwigBundle/Tests/TokenParser/RenderTokenParserTest.php renamed to src/Symfony/Bundle/TwigBundle/Tests/TokenParser/LegacyRenderTokenParserTest.php

@@ -15,8 +15,13 @@
 use Symfony\Bundle\TwigBundle\TokenParser\RenderTokenParser;
 use Symfony\Bundle\TwigBundle\Node\RenderNode;
 
-class RenderTokenParserTest extends TestCase
+class LegacyRenderTokenParserTest extends TestCase
 {
+    public function setUp()
+    {
+        $this->iniSet('error_reporting', -1 & ~E_USER_DEPRECATED);
+    }
+
     /**
      * @dataProvider getTestsForRender
      */