fix test

Author: nicolas-grekas

.github/patch-types.php

@@ -31,6 +31,7 @@
         case false !== strpos($file, '/src/Symfony/Component/Debug/Tests/Fixtures/'):
         case false !== strpos($file, '/src/Symfony/Component/DependencyInjection/Tests/Compiler/OptionalServiceClass.php'):
         case false !== strpos($file, '/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/autowiring_classes.php'):
+        case false !== strpos($file, '/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/uniontype_classes.php'):
         case false !== strpos($file, '/src/Symfony/Component/DependencyInjection/Tests/Fixtures/ParentNotExists.php'):
         case false !== strpos($file, '/src/Symfony/Component/DependencyInjection/Tests/Fixtures/Prototype/BadClasses/MissingParent.php'):
         case false !== strpos($file, '/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/'):