// Multi-word query should NOT have prefix boost on text field
        assertTrue("Should have field value factors", queryString.contains("field_value_factor"));
    }

    @Test
    public void test_buildFunctionScoreQuery_emptyQuery() {
        QueryBuilder innerQuery = request.buildQuery("", Collections.emptyList());
        QueryBuilder result = request.buildFunctionScoreQuery("", innerQuery);

        assertNotNull(result);