DeepObjectPopulateChildDummy example

$this->assertInstanceOf(ObjectOuter::class, $outer);
        $inner = $outer->getInner();
        $this->assertInstanceOf(ObjectInner::class, $inner);
        $this->assertNotSame($objectToPopulate, $inner);
        $this->assertSame('bar', $inner->bar);
        $this->assertNull($inner->foo);
    }

    public function testDeepObjectToPopulate()
    {
        $child = new DeepObjectPopulateChildDummy();
        $child->bar = 'bar-old';
        $child->foo = 'foo-old';

        $parent = new DeepObjectPopulateParentDummy();
        $parent->setChild($child);

        $context = [
            'object_to_populate' => $parent,
            'deep_object_to_populate' => true,
        ];