public function setUp()
 {
     $this->listener1 = $this->listenerMock();
     $this->listener2 = $this->listenerMock();
     $this->listeners = new UnitOfWorkListenerCollection();
     $this->listeners->add($this->listener1);
     $this->listeners->add($this->listener2);
 }
 /**
  * @param UnitOfWorkListener $listener
  */
 public function registerListener(UnitOfWorkListener $listener)
 {
     $this->listeners->add($listener);
 }