RFR: 8252695: Shenandoah: clean up Graal enabled/disabled filter in tests [v2]

Tue Sep 8 17:47:12 UTC 2020

On Tue, 8 Sep 2020 16:24:26 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Drop `!vm.graal.enabled` since it is not required after JDK-8249000.
>
> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix some missing tests too

Marked as reviewed by zgu (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/51