public function testWorkerErasesItsStatsWhenShutdown()
 {
     Resque::enqueue('jobs', TestJob::className());
     Resque::enqueue('jobs', '\\resque\\test\\job\\InvalidJob');
     $worker = new Worker('jobs');
     $worker->work(0);
     $worker->work(0);
     $this->assertEquals(0, $worker->getStat('processed'));
     $this->assertEquals(0, $worker->getStat('failed'));
 }