[foreign-memaccess+abi] RFR: Add exhaustive test for resource scope handle [v2]

[Maurizio Cimadamore]

On Wed, 14 Apr 2021 16:29:33 GMT, Chris Hegarty <chegar at openjdk.org> wrote:

> LGTM.
> 
> Trivially you could replace the try-catch-or-fail with
> assertThrows(IllegalStateException.class, scope::close);

Nice trick - didn't know about this method

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PR: https://git.openjdk.java.net/panama-foreign/pull/504