public static Map<String, String> asContextData(JobID jobID) {
        return Collections.singletonMap(JOB_ID, jobID.toHexString());
    }
@Test
    void testJobIDAsContext() {
        JobID jobID = new JobID();
        assertThat(MdcUtils.asContextData(jobID))
                .isEqualTo(Collections.singletonMap("flink-job-id", jobID.toHexString()));
    }