RFR: 8274521: jdk/jfr/event/gc/detailed/TestGCLockerEvent.java fails when other GC is selected [v2]

[Kim Barrett]

On Fri, 1 Oct 2021 09:40:55 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Simple test bug, need to check if G1 is enabled, or it is a default GC before asking `othervm` with `-XX:+UseG1GC`. Other tests in the same directory do exactly that.
>> 
>> Additional testing:
>>  - [x] Affected test skipped with Shenandoah now
>>  - [x] Affected test still passes with G1
>>  - [x] Affected test still passes default GC
>
> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Proper requires

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/5756