Rx\Functional\Observable\TimerObservableTest::timer_one_shot_relative_time_basic PHP Method

    public function timer_one_shot_relative_time_basic()
    {
        $results = $this->scheduler->startWithCreate(function () {
            return new TimerObservable(300, $this->scheduler);
        });
        $this->assertMessages([onNext(500, 0), onCompleted(500)], $results->getMessages());
    }