assertEquals("processed: template with params", result);
    }

    // Test evaluate with null template
    @Test
    public void test_evaluate_nullTemplate() {
        Map<String, Object> params = new HashMap<>();
        Object result = testScriptEngine.evaluate(null, params);
        assertEquals("processed: null with params", result);
    }

        assertEquals("groovy", groovyEngine.getName());
    }

    // ===== Null-Safety Tests =====

    /**
     * Test that evaluate returns null for null template
     */
    @Test
    public void test_evaluate_nullTemplate() {
        final Map<String, Object> params = new HashMap<>();
        params.put("test", "value");
        assertNull(groovyEngine.evaluate(null, params));
    }

    /**