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

    // Test admin field configurations
    @Test
    public void test_indexAdminArrayFields() {
        String[] fields = fessConfig.getIndexAdminArrayFields().split(",");
        assertEquals(2, fields.length);
        assertEquals("alerts", fields[0]);
        assertEquals("roles", fields[1]);
    }