change call_user_func* with self invoked function

test/CommonServiceLocatorBehaviorsTrait.php

@@ -32,7 +32,6 @@
 use function array_fill_keys;
 use function array_keys;
 use function array_merge;
-use function call_user_func_array;
 use function restore_error_handler;
 use function set_error_handler;
 
@@ -811,7 +810,7 @@ public function testConfiguringInstanceRaisesExceptionIfAllowOverrideIsFalse($me
         $container = $this->createContainer(['services' => ['foo' => $this]]);
         $container->setAllowOverride(false);
         $this->expectException(ContainerModificationsNotAllowedException::class);
-        call_user_func_array([$container, $method], $args);
+        $container->$method(...$args);
     }
 
     /**

test/TestAsset/PassthroughDelegatorFactory.php

@@ -18,6 +18,6 @@ class PassthroughDelegatorFactory implements DelegatorFactoryInterface
      */
     public function __invoke(ContainerInterface $container, $name, callable $callback, array $options = null)
     {
-        return call_user_func($callback);
+        return $callback();
     }
 }

test/TestAsset/V2ValidationPluginManager.php

@@ -10,7 +10,6 @@
 use RuntimeException;
 use Zend\ServiceManager\AbstractPluginManager;
 
-use function call_user_func;
 use function is_callable;
 use function sprintf;
 
@@ -27,6 +26,6 @@ public function validatePlugin($plugin)
             ));
         }
 
-        call_user_func($this->assertion, $plugin);
+        ($this->assertion)($plugin);
     }
 }