Rx\React\Promise::resolved PHP Method

    public static function resolved($value)
    {
        $d = new Deferred();
        $d->resolve($value);
        return $d->promise();
    }

 /**
  * @test
  */
 public function from_promise_success()
 {
     $source = PromiseFactory::toObservable(function () {
         return Promise::resolved(42);
     });
     $results = $this->scheduler->startWithCreate(function () use($source) {
         return $source;
     });
     $this->assertMessages(array(onNext(200, 42), onCompleted(200)), $results->getMessages());
 }