RFR(XS): JDK-8152679 DeadlockDetectionTest.java fails due to expected output missing

[Staffan Larsen]

Why did this test start failing?

> On 7 apr. 2016, at 20:35, serguei.spitsyn at oracle.com wrote:
> 
> Dmitry,
> 
> I agree with Tim.
> The message at L85 should not be alarming but look similar to the one at L107.
> Something, like this:
>  85        System.out.println("This test is not expected to work on OS X. Skipping");
> 
> 
> Thanks,
> Serguei
> 
> 
> On 4/7/16 11:13, Tim Bell wrote:
>> On 04/07/16 10:56, Dmitry Samersoff wrote:
>>> Everybody,
>>> 
>>> Please review small changes.
>> 
>> Note:  I am not a "R"eviewer in Serviceability.  Free advice follows:
>> 
>>> http://cr.openjdk.java.net/~dsamersoff/JDK-8152679/webrev.01/
>>> 
>>> Test that is not expected to work on OS X, detect OS X and exits.
>> 
>>  84             // Coredump stackwalking is not implemented for Darwin
>>  85             System.err.println("Error! This test is not expected to work on OS X.");
>> 
>> 
>> It is not implemented, so landing here during a test run on Mac OS should not be surprising.
>> 
>> Rather than printing 'Error!' I suggest removing that alarming string, as on line 107   .
>> 
>> My 0x02 cents.
>> 
>> Tim
>> 
>> 
>