public static Optional<PipelineJobItemContext> getItemContext(final String jobId, final int shardingItem) {
        return JOBS.containsKey(jobId) ? JOBS.get(jobId).getJobRunnerManager().getTasksRunner(shardingItem).map(PipelineTasksRunner::getJobItemContext) : Optional.empty();
    }
@Test
    void assertGetNotExistedItemContext() {
        assertThat(PipelineJobRegistry.getItemContext("bar_job", 1), is(Optional.empty()));
    }