8239052: java/net/httpclient/whitebox/SSLEchoTubeTestDriver.java failed with BufferUnderflowException against TLSv1.3

[Chris Hegarty]

> On 21 Feb 2020, at 17:41, Daniel Fuchs <daniel.fuchs at oracle.com> wrote:
> 
> Thanks John!
> 
> I have verified that indeed TLSv1.3 is selected by default,
> and updated the fix as per your suggestion:
> 
> http://cr.openjdk.java.net/~dfuchs/webrev_8239052/webrev.01/

Good sleuthing Daniel.

Your changes look good, just wondering if they could be factored out
into a separate method, say getLong(ByteBuffer), so that the crux of the
test logic in onNext would not be slightly obfuscated by this?

-Chris.