Testing RxJS Observables on Jasmine 1.3

gistfile1.html

<script src="http://cdnjs.cloudflare.com/ajax/libs/rxjs/2.4.3/rx.all.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/rxjs/2.4.3/rx.testing.min.js"></script>
<script src="http://daniellmb.github.com/jasmine-run/jasmine-1.3.1-run.js"></script>

<script>
	var waitsForObservable = function (observable, callback, opt_timeout) {
		var result, timeout;

		timeout = opt_timeout || 5000;
		runs(function(){
		  observable.toArray().forEach(function (arr) {
			result = arr;
		  });
		});

		waitsFor(function(){
		  return result;
		}, 'observable should be completed', timeout);

		runs(function() {
		  callback(result);
		});
	}

	var exampleObservable = Rx.Observable.interval(500).take(5).map(function(){
		return "x"
	});

	describe("Rx Observable testing", function() {

		it("compares observable equality", function() {
		waitsForObservable(exampleObservable, function(result){
			expect(result).toEqual(["x", "x", "x", "x", "x"]);
		});
	  });

	});
</script>