public function materialize_dispose()
{
$xs = $this->createHotObservable([onNext(150, 1), onNext(210, 2), onNext(220, 3), onNext(230, 4), onCompleted(250)]);
$results = $this->scheduler->startWithDispose(function () use($xs) {
return $xs->materialize();
}, 225);
$this->assertMessages([onNext(210, new OnNextNotification(2), [$this, 'materializedNotificationsEqual']), onNext(220, new OnNextNotification(3), [$this, 'materializedNotificationsEqual'])], $results->getMessages());
}