(teststabilization) RFR: 8231506: Fix some instabilities in a few networking tests

[Chris Hegarty]

> On 26 Sep 2019, at 15:16, Daniel Fuchs <daniel.fuchs at oracle.com> wrote:
> 
> Hi,
> 
> Please find below a patch for:
> 
> https://bugs.openjdk.java.net/browse/JDK-8231506
> 8231506: Fix some instabilities in a few networking tests
> 
> webrev:
> http://cr.openjdk.java.net/~dfuchs/webrev_8231506/webrev.00/

LGTM.

-Chris