RFR: 8217385: JTREG: Clean up, make sure to close resources

[sangheon.kim at oracle.com]

Hi Leo,

On 1/18/19 8:00 AM, Leo Korinth wrote:
> Hi,
>
> This clean up closes resources in some test cases in the jtreg/gc folder.
>
> This fix is somewhat based/dependent on the rest of my "JTREG:" webrevs.
>
> Enhancement:
> https://bugs.openjdk.java.net/browse/JDK-8217385
>
> Webrev:
> http://cr.openjdk.java.net/~lkorinth/8217385/00
Looks good to me.

Thanks,
Sangheon


>
> Testing:
> passed locally: open/test/hotspot/jtreg/:hotspot_gc
>
> Thanks,
> Leo