import 'dart:async';
import 'dart:html';
import 'package:async_helper/async_helper.dart';
import 'package:expect/expect.dart';
test() async {
var list = await window.navigator.mediaDevices.enumerateDevices();
Expect.isTrue(list is List, "Expected list to be List");
}
void main() {
asyncStart();
test().then((_) => asyncEnd());
}