@Test
public void testConvertRegister() {

    String key = "perf/dubbo.test.api.HelloService:1.0.0";
    Map<String, Map<String, String>> register = new HashMap<String, Map<String, String>>();
    register.put(key, null);
    Map<String, Map<String, String>> newRegister = UrlUtils.convertRegister(register);
    assertEquals(register, newRegister);
}