assertTrue(labelTypeHelper.matchLocale(Locale.SIMPLIFIED_CHINESE, Locale.CHINESE));
        assertTrue(labelTypeHelper.matchLocale(Locale.TRADITIONAL_CHINESE, Locale.CHINESE));
    }

    public void test_matchLocale_edgeCases() {
        // Test with null request locale
        assertTrue(labelTypeHelper.matchLocale(null, Locale.ROOT));
        assertFalse(labelTypeHelper.matchLocale(null, Locale.ENGLISH));