RFR (S) 8249953: Shenandoah: gc/shenandoah/mxbeans tests should account for corner cases

[Roman Kennke]

Ok.

Thanks,
Roman


On Thu, 2020-07-23 at 12:12 +0200, Aleksey Shipilev wrote:
> 	Error verifying signature: Cannot verify message signature:
> Incorrect message format
> Testbug:
>   https://bugs.openjdk.java.net/browse/JDK-8249953
> 
> Fix:
>   https://cr.openjdk.java.net/~shade/8249953/webrev.01/
> 
> Testing: hotspot_gc_shenandoah {fastdebug,release}
>