merged branch jakzal/2.3-cssselector-test-location (PR #8090)

This PR was merged into the 2.3 branch.

Discussion
----------

[CssSelector] Moved a test into the Tests folder.

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

Commits
-------

b2e52e8 [CssSelector] Moved a test into the Tests folder.

src/Symfony/Component/CssSelector/Tests/CssSelectorTest.php

@@ -9,7 +9,9 @@
  * file that was distributed with this source code.
  */
 
-namespace Symfony\Component\CssSelector;
+namespace Symfony\Component\CssSelector\Tests;
+
+use Symfony\Component\CssSelector\CssSelector;
 
 class CssSelectorTest extends \PHPUnit_Framework_TestCase
 {