if err != nil {
		t.Fatal(err)
	}
	if !reflect.DeepEqual(complexList, [][]string{{"first"}, {"second", "third"}}) {
		t.Errorf("got %v, wanted [['first'], ['second', 'third']]", complexList)
	}
}

func TestListValueContains(t *testing.T) {
	lv := NewListValue()
	lv.Append(testValue(t, 1, "first"))
	lv.Append(testValue(t, 2, "second"))
	lv.Append(testValue(t, 3, "third"))
	for i := types.Int(0); i < lv.Size().(types.Int); i++ {