public function combineLatest_return_return()
{
$e1 = $this->createHotObservable([onNext(150, 1), onNext(215, 2), onCompleted(230)]);
$e2 = $this->createHotObservable([onNext(150, 1), onNext(220, 3), onCompleted(240)]);
$results = $this->scheduler->startWithCreate(function () use($e1, $e2) {
return $e1->combineLatest([$e2], [$this, 'add']);
});
$this->assertMessages([onNext(220, 2 + 3), onCompleted(240)], $results->getMessages());
}