ChildA example

$translator->setLocale('en');

        $contextFactory = new ExecutionContextFactory($translator);
        $validatorFactory = new ConstraintValidatorFactory();

        return new RecursiveValidator($contextFactory, $metadataFactory, $validatorFactory, $objectInitializers);
    }

    public function testEmptyGroupsArrayDoesNotTriggerDeprecation()
    {
        $entity = new Entity();
        $childA = new ChildA();
        $childB = new ChildB();
        $childA->name = false;
        $childB->name = 'fake';
        $entity->childA = [$childA];
        $entity->childB = [$childB];
        $validatorContext = $this->createMock(ContextualValidatorInterface::class);
        $validatorContext
            ->expects($this->once())
            ->method('validate')
            ->with($entity, null, [])
            ->willReturnSelf();