}

            @Override
            public int getLtrWindowSize() {
                return 50;
            }
        });

        Map<String, Object> params = new HashMap<>();
        params.put("param1", "value1");

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

    public void test_evaluate_withNullModelName() {
        // Test when model name is null