protected void changeLastUpdatedTime() {
        this.lastUpdatedTime = clock.instant();
    }
@Test
    public void testChangeLastUpdatedTime() {
        Instant fixedInstant = Instant.ofEpochMilli(1000);
        when(clock.instant()).thenReturn(fixedInstant);

        jobUploadStatus.changeLastUpdatedTime();
        assertEquals(fixedInstant, jobUploadStatus.lastUpdatedTime);
    }