params.put("param1", "value1");

        RescorerBuilder<?> result = ltrQueryRescorer.evaluate(params);
        assertNull(result);
    }

    @Test
    public void test_evaluate_withValidModelName() {
        // Test with valid model name
        final String testModelName = "test_model";
        final int testWindowSize = 100;

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {