fix: Fix return types in tests.

src/Bundle/ChillPersonBundle/Tests/Controller/PersonControllerUpdateTest.php

@@ -51,7 +51,7 @@ final class PersonControllerUpdateTest extends WebTestCase
     /**
      * Prepare client and create a random person.
      */
-    public function setUp(): void
+    protected function setUp(): void
     {
         self::bootKernel();
 
@@ -76,7 +76,7 @@ final class PersonControllerUpdateTest extends WebTestCase
         $this->client = $this->getClientAuthenticated();
     }
 
-    public function tearDown()
+    protected function tearDown(): void
     {
         $this->refreshPerson();
         $this->em->remove($this->person);