assertNull(languageHelper.getSupportedLanguage("   "));
    }

    @Test
    public void test_setDetector() {
        // Test with null detector
        languageHelper.setDetector(null);
        assertNull(languageHelper.detector);
    }

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