/**
  * @test
  */
 public function it_attaches_action_event_emitter()
 {
     $actionEventEmitter = $this->prophesize(ActionEventEmitter::class);
     $mock = $actionEventEmitter->reveal();
     $messageBus = new CustomMessageBus();
     $messageBus->setActionEventEmitter($mock);
     $this->assertSame($mock, $messageBus->getActionEventEmitter());
 }