RFR 8142857: Enable all nashorn "api" tests for jtreg test run

[Attila Szegedi]

+1

> On Nov 12, 2015, at 2:43 PM, Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com> wrote:
> 
> Please review http://cr.openjdk.java.net/~sundar/8142857/webrev.00/ for https://bugs.openjdk.java.net/browse/JDK-8142857
> 
> Thanks,
> -Sundar
>