/**
* Tests if a job can be retrieved based on its id.
*/
public function testRetrieveJob()
{
$flow = new Flow('test-flow');
$job1 = new TestJob('test-job-1', null);
$flow->addJob($job1);
$this->assertEquals(null, $flow->getJobById('non-existent-job'));
$this->assertEquals($job1, $flow->getJobById('test-job-1'));
}
