public function testGetSetProcessEvent()
 {
     // Default
     $event = $this->worker->getProcessEvent();
     $this->assertInstanceOf('\\Stakhanovist\\Worker\\ProcessEvent', $event);
     $this->assertSame($this->worker, $event->getTarget());
     // Using setter
     $event = new ProcessEvent();
     $this->worker->setProcessEvent($event);
     $this->assertSame($event, $this->worker->getProcessEvent());
     $this->assertSame($this->worker, $event->getTarget());
 }