RFR(XS): 8139047: add test for JSAdapter __getIds__

[Hannes Wallnoefer]

+1

Am 2015-10-07 um 14:54 schrieb Michael Haupt:
> Dear all,
>
> please review this very small change (it adds a single test).
> RFE: https://bugs.openjdk.java.net/browse/JDK-8139047
> Webrev: http://cr.openjdk.java.net/~mhaupt/8139047/webrev.00
>
> Thanks,
>
> Michael
>