diff --git a/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php b/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php
index 9717099bf9..25a9533da4 100644
--- a/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php
+++ b/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php
@@ -25,7 +25,7 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
         $dispatcher = new EventDispatcher();
         $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
 
-        $tdispatcher->addListener('foo', $listener = function () { });
+        $tdispatcher->addListener('foo', $listener = function () {});
         $listeners = $dispatcher->getListeners('foo');
         $this->assertCount(1, $listeners);
         $this->assertSame($listener, $listeners[0]);
@@ -39,7 +39,7 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
         $dispatcher = new EventDispatcher();
         $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
 
-        $tdispatcher->addListener('foo', $listener = function () { });
+        $tdispatcher->addListener('foo', $listener = function () {});
         $this->assertSame($dispatcher->getListeners('foo'), $tdispatcher->getListeners('foo'));
     }
 
@@ -51,7 +51,7 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
         $this->assertFalse($dispatcher->hasListeners('foo'));
         $this->assertFalse($tdispatcher->hasListeners('foo'));
 
-        $tdispatcher->addListener('foo', $listener = function () { });
+        $tdispatcher->addListener('foo', $listener = function () {});
         $this->assertTrue($dispatcher->hasListeners('foo'));
         $this->assertTrue($tdispatcher->hasListeners('foo'));
     }
@@ -76,7 +76,7 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
     {
         $dispatcher = new EventDispatcher();
         $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
-        $tdispatcher->addListener('foo', $listener = function () { });
+        $tdispatcher->addListener('foo', $listener = function () {});
 
         $this->assertEquals(array(), $tdispatcher->getCalledListeners());
         $this->assertEquals(array('foo.closure' => array('event' => 'foo', 'type' => 'Closure', 'pretty' => 'closure')), $tdispatcher->getNotCalledListeners());
@@ -107,8 +107,8 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
 
         $dispatcher = new EventDispatcher();
         $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch(), $logger);
-        $tdispatcher->addListener('foo', $listener1 = function () { });
-        $tdispatcher->addListener('foo', $listener2 = function () { });
+        $tdispatcher->addListener('foo', $listener1 = function () {});
+        $tdispatcher->addListener('foo', $listener2 = function () {});
 
         $logger->expects($this->at(0))->method('debug')->with('Notified event "foo" to listener "closure".');
         $logger->expects($this->at(1))->method('debug')->with('Notified event "foo" to listener "closure".');
@@ -123,7 +123,7 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
         $dispatcher = new EventDispatcher();
         $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch(), $logger);
         $tdispatcher->addListener('foo', $listener1 = function (Event $event) { $event->stopPropagation(); });
-        $tdispatcher->addListener('foo', $listener2 = function () { });
+        $tdispatcher->addListener('foo', $listener2 = function () {});
 
         $logger->expects($this->at(0))->method('debug')->with('Notified event "foo" to listener "closure".');
         $logger->expects($this->at(1))->method('debug')->with('Listener "closure" stopped propagation of the event "foo".');