parent.Children = []*Child{&child, &child1}
	DB.Save(&parent)

	var children []*Child
	DB.Where("parent_id = ?", parent.ID).Find(&children)
	if len(children) != len(parent.Children) ||
		children[0].ID != parent.Children[0].ID ||
		children[1].ID != parent.Children[1].ID {
		t.Errorf("circular reference children save not equal children:%v parent.Children:%v",
			children, parent.Children)
	}
}