8183503: Update hotspot tests to allow for unique test classes directory

[Alan Bateman]

On 05/07/2017 08:50, Ioi Lam wrote:
> Hi Alan,
>
> The changes look good to me. Will these test work with older versions 
> of jtreg, or will they require the updated jtreg? I hope the former is 
> true, or else it may disrupt testing.
The changes work with jtreg 4.2 b07 (the current requiredVersion in 
TEST.ROOT) so no disruption.

-Alan