[CS] Remove unused variables passed to closures

Author: carusogabriel

Tests/ApplicationTest.php

@@ -780,8 +780,7 @@ public function testRunDispatchesIntegerExitCode()
 
         // We can assume here that some other test asserts that the event is dispatched at all
         $dispatcher = new EventDispatcher();
-        $self = $this;
-        $dispatcher->addListener('console.terminate', function (ConsoleTerminateEvent $event) use ($self, &$passedRightValue) {
+        $dispatcher->addListener('console.terminate', function (ConsoleTerminateEvent $event) use (&$passedRightValue) {
             $passedRightValue = (4 === $event->getExitCode());
         });
 
@@ -820,8 +819,7 @@ public function testRunDispatchesExitCodeOneForExceptionCodeZero()
 
         // We can assume here that some other test asserts that the event is dispatched at all
         $dispatcher = new EventDispatcher();
-        $self = $this;
-        $dispatcher->addListener('console.terminate', function (ConsoleTerminateEvent $event) use ($self, &$passedRightValue) {
+        $dispatcher->addListener('console.terminate', function (ConsoleTerminateEvent $event) use (&$passedRightValue) {
             $passedRightValue = (1 === $event->getExitCode());
         });