Add missing return types to tests/internal/final methods

Author: nicolas-grekas

Tests/Compiler/ResolveInstanceofConditionalsPassTest.php

@@ -376,15 +376,15 @@ public function reset()
     {
     }
 
-    public function supports(ResourceInterface $metadata)
+    public function supports(ResourceInterface $metadata): bool
     {
     }
 
-    public function isFresh(ResourceInterface $resource, $timestamp)
+    public function isFresh(ResourceInterface $resource, $timestamp): bool
     {
     }
 
-    public static function getSubscribedServices()
+    public static function getSubscribedServices(): array
     {
     }
 }

Tests/ServiceLocatorTest.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\DependencyInjection\Tests;
 
+use Psr\Container\ContainerInterface;
 use Psr\Container\NotFoundExceptionInterface;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
@@ -21,7 +22,7 @@
 
 class ServiceLocatorTest extends BaseServiceLocatorTest
 {
-    public function getServiceLocator(array $factories)
+    public function getServiceLocator(array $factories): ContainerInterface
     {
         return new ServiceLocator($factories);
     }