Rx\Functional\Operator\CombineLatestTest::combineLatest_empty_empty PHP Метод

    public function combineLatest_empty_empty()
    {
        $e1 = $this->createHotObservable([onNext(150, 1), onCompleted(210)]);
        $e2 = $this->createHotObservable([onNext(150, 1), onCompleted(210)]);
        $results = $this->scheduler->startWithCreate(function () use($e1, $e2) {
            return $e2->combineLatest([$e1], [$this, 'add']);
        });
        $this->assertMessages([onCompleted(210)], $results->getMessages());
    }