Object result = scriptEngine.evaluate(template, paramMap);
        assertEquals("Hello Alice, you are 25 years old", result);
    }

    // Test evaluate method with missing parameter
    public void test_evaluate_withMissingParameter() {
        String template = "Hello ${name} and ${other}";
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("name", "Bob");
        // "other" parameter is missing