fix: Fix return types in tests.

src/Bundle/ChillEventBundle/Tests/Controller/ParticipationControllerTest.php

@@ -44,7 +44,7 @@ final class ParticipationControllerTest extends WebTestCase
      */
     private $personsIdsCache = [];
 
-    public function setUp(): void
+    protected function setUp(): void
     {
         self::bootKernel();
 

src/Bundle/ChillEventBundle/Tests/Search/EventSearchTest.php

@@ -68,7 +68,7 @@ final class EventSearchTest extends WebTestCase
      */
     protected $prophet;
 
-    public function setUp(): void
+    protected function setUp(): void
     {
         self::bootKernel();
         /** @var \Symfony\Component\HttpKernel\KernelInterface $kernel */
@@ -96,7 +96,7 @@ final class EventSearchTest extends WebTestCase
         $this->createEvents();
     }
 
-    public function tearDown()
+    protected function tearDown(): void
     {
         foreach ($this->events as $event) {
             $this->entityManager->createQuery('DELETE FROM ChillEventBundle:Event e WHERE e.id = :event_id')