t.Errorf("failed to find item parent, got error: %v", err)
	}
	if len(parents) != 1 {
		t.Errorf("expected %d parents, got %d", 1, len(parents))
	}

	// test delete
	if err := tx.Model(&item).Association("ItemParent").Unscoped().Delete(&parents); err != nil {
		t.Errorf("failed to delete item parent, got error: %v", err)
	}
	if err := tx.Find(&parents).Error; err != nil {