[jdk11u-dev] RFR: 8272783: Epsilon: Refactor tests to improve performance

[Aleksey Shipilev]

On Fri, 1 Oct 2021 08:48:10 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Unclean backport to improve Epsilon testing. The original patch does not apply cleanly because the tests were moved to `gc.epsilon` package as part of bulk test move.
> 
> Additional testing: 
>  - [x] Linux x86_64 fastdebug, `gc/epsilon`
>  - [x] Linux x86_64 release, `gc/epsilon`

Got the push approval.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/453