fix: Fix return types in tests.

src/Bundle/ChillCustomFieldsBundle/Tests/CustomFields/CustomFieldsChoiceTest.php

@@ -37,7 +37,7 @@ final class CustomFieldsChoiceTest extends KernelTestCase
      */
     private $cfProvider;
 
-    public function setUp(): void
+    protected function setUp(): void
     {
         self::bootKernel();
 
@@ -46,7 +46,7 @@ final class CustomFieldsChoiceTest extends KernelTestCase
         $this->cfChoice = $this->cfProvider->getCustomFieldByType('choice');
     }
 
-    public function tearDown()
+    protected function tearDown(): void
     {
         parent::tearDown();
     }