assertEquals("NO", locale.getCountry());
        assertEquals("NY", locale.getVariant());
    }

    // Test findBusinessLocale with case sensitivity
    @Test
    public void test_findBusinessLocale_withMixedCase() {
        // Setup mock config
        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getQueryBrowserLangParameterName() {