groovyEngine = new GroovyEngine();
    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    public void test_evaluate() {
        final Map<String, Object> params = new HashMap<>();
        assertNull(groovyEngine.evaluate("", params));
        assertEquals("", groovyEngine.evaluate("return ''", params));

    public void test_getName() {
        assertEquals("testEngine", testScriptEngine.getName());
    }

    // Test evaluate method implementation
    public void test_evaluate() {
        Map<String, Object> params = new HashMap<>();
        params.put("key", "value");

        Object result = testScriptEngine.evaluate("template", params);