String normalizeAnalyzer = settings.analyzer().getNormalizeAnalyzerName("", "unsupported");
        assertEquals(AnalyzerSettings.NORMALIZE_ANALYZER, normalizeAnalyzer);
    }

    @Test
    public void test_isSupportedLanguage() {
        // Test supported languages
        assertTrue(AnalyzerSettings.isSupportedLanguage("en"));
        assertTrue(AnalyzerSettings.isSupportedLanguage("ja"));