fix: Fix return types in tests.

src/Bundle/ChillMainBundle/Tests/Security/Resolver/CenterResolverDispatcherTest.php

@@ -24,7 +24,7 @@ final class CenterResolverDispatcherTest extends KernelTestCase
 {
     private CenterResolverDispatcherInterface $dispatcher;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         self::bootKernel();
         $this->dispatcher = self::$container->get(CenterResolverDispatcher::class);

src/Bundle/ChillMainBundle/Tests/Serializer/Normalizer/DoctrineExistingEntityNormalizerTest.php

@@ -25,7 +25,7 @@ final class DoctrineExistingEntityNormalizerTest extends KernelTestCase
 {
     protected DoctrineExistingEntityNormalizer $normalizer;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         self::bootKernel();
         $em = self::$container->get(EntityManagerInterface::class);

src/Bundle/ChillMainBundle/Tests/Templating/Entity/AddressRenderTest.php

@@ -25,7 +25,7 @@ use Symfony\Component\Templating\EngineInterface;
  */
 final class AddressRenderTest extends KernelTestCase
 {
-    protected function setUp()
+    protected function setUp(): void
     {
         self::bootKernel();
     }