/**
* @test
*/
public function removeUnknownHandlerIsIdempotent()
{
$event = $this->getMockBuilder(Event::class)->getMock();
$handler = $this->getMockBuilder(EventHandler::class)->getMockForAbstractClass();
$handler->expects(self::never())->method('on')->with($event);
$eventBus = new SimpleEventBus([]);
$eventBus->removeHandler(get_class($event), $handler);
$eventBus->publish($event);
}
