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

    public function combineLatest_return_throw()
    {
        $error = new \Exception();
        $e1 = $this->createHotObservable([onNext(150, 1), onNext(210, 2), onCompleted(230)]);
        $e2 = $this->createHotObservable([onNext(150, 1), onError(220, $error)]);
        $results = $this->scheduler->startWithCreate(function () use($e1, $e2) {
            return $e1->combineLatest([$e2], [$this, 'add']);
        });
        $this->assertMessages([onError(220, $error)], $results->getMessages());
    }