doc.put("lang", "");

        Script result = languageHelper.createScript(doc, "aaa");
        assertEquals("aaa", result.getIdOrCode());
    }

    public void test_createScript_withNullLanguage() {
        Map<String, Object> doc = new HashMap<>();
        doc.put("lang", null);

        Script result = languageHelper.createScript(doc, "aaa");
        assertEquals("aaa", result.getIdOrCode());