public static String getServiceName(final String serviceNameWithGroup) {
        if (StringUtils.isBlank(serviceNameWithGroup)) {
            return StringUtils.EMPTY;
        }
        if (!serviceNameWithGroup.contains(Constants.SERVICE_INFO_SPLITER)) {
            return serviceNameWithGroup;
        }
        return serviceNameWithGroup.split(Constants.SERVICE_INFO_SPLITER)[1];
    }
@Test
    void testGetServiceNameWithEmpty() {
        assertEquals(StringUtils.EMPTY, NamingUtils.getServiceName(null));
    }