minor symfony#25463 [HttpFoundation] Fix tests (chalasr)

This PR was merged into the 3.3 branch.

Discussion
----------

[HttpFoundation] Fix tests

| Q             | A
| ------------- | ---
| Branch?       | 3.3
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | not yet
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Remains filesystem ones due to symfony#25420, going to have a look in this PR in the next hour if nobody does before.

Commits
-------

ef6adb8 Fix tests

Author: nicolas-grekas

src/Symfony/Component/HttpFoundation/Tests/ResponseHeaderBagTest.php

@@ -199,10 +199,10 @@ public function testCookiesWithSameNames()
 
         $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
 
-        $this->assertArrayHasKey('foo', $cookies['foo.bar']['/path/foo']));
-        $this->assertArrayHasKey('foo', $cookies['foo.bar']['/path/bar']));
-        $this->assertArrayHasKey('foo', $cookies['bar.foo']['/path/bar']));
-        $this->assertArrayHasKey('foo', $cookies['']['/']));
+        $this->assertArrayHasKey('foo', $cookies['foo.bar']['/path/foo']);
+        $this->assertArrayHasKey('foo', $cookies['foo.bar']['/path/bar']);
+        $this->assertArrayHasKey('foo', $cookies['bar.foo']['/path/bar']);
+        $this->assertArrayHasKey('foo', $cookies['']['/']);
     }
 
     public function testRemoveCookie()