minor symfony#16670 Always enable clock-mock for HttpFoundation (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
----------

Always enable clock-mock for HttpFoundation

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#16660
| License       | MIT
| Doc PR        | -

Commits
-------

1712086 Always enable clock-mock for HttpFoundation

Author: nicolas-grekas

phpunit.xml.dist

@@ -45,4 +45,14 @@
             </exclude>
         </whitelist>
     </filter>
+
+    <listeners>
+        <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener">
+            <arguments>
+                <array>
+                    <element><string>Symfony\Component\HttpFoundation</string></element>
+                </array>
+            </arguments>
+        </listener>
+    </listeners>
 </phpunit>