public function testpostponeJobAndMark_deleted()
 {
     $schedulersJob = new SchedulersJob();
     $result = $schedulersJob->postponeJob('test message', 1);
     $this->assertEquals(true, $result);
     //test for record ID to verify that record is saved
     $this->assertTrue(isset($schedulersJob->id));
     $this->assertEquals(36, strlen($schedulersJob->id));
     //verify the related attributes
     $this->assertEquals(SchedulersJob::JOB_STATUS_QUEUED, $schedulersJob->status);
     $this->assertEquals(SchedulersJob::JOB_PARTIAL, $schedulersJob->resolution);
     //test mark deleted method and verify record doesn't exist after deletion
     $schedulersJob->mark_deleted($schedulersJob->id);
     $result = $schedulersJob->retrieve($schedulersJob->id);
     $this->assertEquals(null, $result);
 }