@Override
    public Object getParameter(String key) {
        return param.get(key);
    }
@Test
    void getParameter() {
        ConfigResponse configResponse = new ConfigResponse();
        String dataId = "id";
        String group = "group";
        String tenant = "n";
        String content = "abc";
        String custom = "custom";
        
        configResponse.setContent(content);
        configResponse.setDataId(dataId);
        configResponse.setGroup(group);
        configResponse.setTenant(tenant);
        configResponse.putParameter(custom, custom);
        
        assertEquals(dataId, configResponse.getParameter("dataId"));
        assertEquals(group, configResponse.getParameter("group"));
        assertEquals(tenant, configResponse.getParameter("tenant"));
        assertEquals(content, configResponse.getParameter("content"));
        assertEquals(custom, configResponse.getParameter("custom"));
    }