RFR 8141609: Need test for jrtfs that runs on JDK 8 to target a JDK 9 image

[Felix Yang]

Jon and Alan,
    thanks a lot for this comment. Fixed it in new webrev:
http://cr.openjdk.java.net/~xiaofeya/8141609/webrev.01/

-Felix
> On Feb 23, 2016, at 11:54 PM, Jonathan Gibbons <jonathan.gibbons at oracle.com> wrote:
> 
> On 02/23/2016 06:40 AM, Alan Bateman wrote:
>> This fails if JDK8_HOME is not defined and I'm sure will be annoyance for those that run jtreg directly. Should we get the test to just pass if not set? I realize that is not ideal.
>> 
>> -Alan. 
> 
> It is relatively common practice for tests that require some resource to be available to "pass by default" when the resource is not available.
> 
> There are ideas in flight to make it easier to track such results (but not in the imminent upcoming promotion of jtreg).
> 
> -- Jon
> 
>