RFR: 8287596: Reorg jdk.test.lib.util.ForceGC

[Xue-Lei Andrew Fan]

On Wed, 1 Jun 2022 20:45:07 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> JDK-8287384 causes `test/jdk/java/lang/invoke/defineHiddenClass/UnloadingTest.java` to timeout when running with fastdebug VM. I think this might be caused by more frequent GCs.
> 
> I tried your patch and the test fails.

I updated the waiting time back to 1 second.  Would you please check again?

> JDK-8287384 causes `test/jdk/java/lang/invoke/defineHiddenClass/UnloadingTest.java` to timeout when running with fastdebug VM. I think this might be caused by more frequent GCs.
> 
> I tried your patch and the test fails.

I updated the waiting time back to 1 second.  Would you please check again?

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PR: https://git.openjdk.java.net/jdk/pull/8979