t.Fatalf("An error from before save callbacks happened when update with invalid value")
	}

	p3 := Product{Code: "dont_delete", Price: 100}
	DB.Save(&p3)
	if DB.Delete(&p3).Error == nil {
		t.Fatalf("An error from before delete callbacks happened when delete")
	}

	if DB.Where("Code = ?", "dont_delete").First(&p3).Error != nil {
		t.Fatalf("An error from before delete callbacks happened")
	}