assertEquals("score", QueryFieldConfig.SCORE_FIELD);
        assertEquals("_score", QueryFieldConfig.DOC_SCORE_FIELD);
        assertEquals("site", QueryFieldConfig.SITE_FIELD);
        assertEquals("inurl", QueryFieldConfig.INURL_FIELD);
        assertEquals("score", QueryFieldConfig.SCORE_SORT_VALUE);
    }

    @Test
    public void test_constructor() {
        // Test that constructor creates a valid instance