[Messenger] Apply minor code-review suggestions

Co-authored-by: Nicolas Grekas <nicolas.grekas@gmail.com>

Author: TimWolla

src/Symfony/Component/Messenger/CHANGELOG.md

@@ -9,7 +9,7 @@ CHANGELOG
  * Add `Symfony\Component\Messenger\Middleware\DeduplicateMiddleware` and `Symfony\Component\Messenger\Stamp\DeduplicateStamp`
  * Add `--class-filter` option to the `messenger:failed:remove` command
  * Add `$stamps` parameter to `HandleTrait::handle`
- * Add `Symfony\Component\Messenger\EventListener\ResetMemoryUsageListener` to reset PHP’s peak memory usage for each processed message
+ * Add `Symfony\Component\Messenger\EventListener\ResetMemoryUsageListener` to reset PHP's peak memory usage for each processed message
 
 7.2
 ---

src/Symfony/Component/Messenger/Tests/WorkerTest.php

@@ -645,13 +645,13 @@ public function testMemoryUsageIsResetOnMessageHandle()
         $memory = str_repeat(random_int(0, 1), 4 * 1024 * 1024);
         unset($memory);
 
-        $before = \memory_get_peak_usage();
+        $before = memory_get_peak_usage();
 
         $worker = new Worker(['transport' => $receiver], $bus, $dispatcher);
         $worker->run();
 
         // This should be roughly 4 MB smaller than $before.
-        $after = \memory_get_peak_usage();
+        $after = memory_get_peak_usage();
 
         $this->assertTrue($after < $before);
     }