}

    @Test
    public void test_indexFieldThumbnail() {
        assertEquals("thumbnail", fessConfig.getIndexFieldThumbnail());
    }

    @Test
    public void test_indexFieldMimetype() {
        assertEquals("mimetype", fessConfig.getIndexFieldMimetype());
    }

    // Test admin field configurations
    @Test
    public void test_indexAdminArrayFields() {