@BeforeEach
    public void setUp() {
        nacosConfig = new NacosConfig();
        nacosConfig.setUrl(URL);
        nacosConfig.setNamespace(NAMESPACE);
        nacosConfig.setPassword(PASSWORD);
        nacosConfig.setUsername(USERNAME);
        nacosConfig.setContextPath(CONTEXT_PATH);
        nacosConfig.setAcm(ACM);
        that = new NacosConfig();
        that.setUrl(URL);
        that.setNamespace(NAMESPACE);
        that.setPassword(PASSWORD);
        that.setUsername(USERNAME);
        that.setContextPath(CONTEXT_PATH);
        that.setAcm(ACM);
    }
add test case for {@link NacosConfig}.
shenyu-sync-data-center/shenyu-sync-data-nacos/src/test/java/org/apache/shenyu/sync/data/nacos/config/NacosConfigTest.java