} else if len(langs3) != 3 {
		t.Errorf("should only find only 3 languages, but got %+v", langs3)
	}

	for idx, lang := range langs {
		lang.Name = lang.Name + "_new"
		langs[idx] = lang
	}

	if err := DB.Clauses(clause.OnConflict{
		Columns:   []clause.Column{{Name: "code"}},
		DoUpdates: clause.AssignmentColumns([]string{"name"}),
	}).Create(&langs).Error; err != nil {