Rx\Functional\Operator\ReduceTest::reduce_without_seed_never PHP Method

    public function reduce_without_seed_never()
    {
        $xs = $this->createHotObservable([onNext(150, 1)]);
        $results = $this->scheduler->startWithCreate(function () use($xs) {
            return $xs->reduce(function ($acc, $x) {
                return $acc + $x;
            });
        });
        $this->assertMessages([], $results->getMessages());
    }