t.Fatalf("failed to find updated user, got %v", err)
	}

	if err := DB.Model(User{Model: user3.Model}).Save(&struct {
		gorm.Model
		Placeholder string
		Name        string
	}{
		Model:       user3.Model,
		Placeholder: "placeholder",
		Name:        "save3__",
	}).Error; err != nil {
		t.Fatalf("failed to update user, got %v", err)
	}

	var result3 User