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

[Leo Korinth]

Thanks for the review Sangheon!

/Leo

On 04/02/2019 19:52, sangheon.kim at oracle.com wrote:
> 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
>