[crac] RFR: 8361124: [CRaC] Move recursive checkpoint test to simengine [v2]

[Radim Vansa]

On Tue, 1 Jul 2025 15:18:45 GMT, Timofei Pushkin <tpushkin at openjdk.org> wrote:

>> At the moment of creation this PR includes #239 — that should be merged first. fc33e85c429536dcc89ff59afed6450bb7562639 is the change of this PR.
>> 
>> Makes recursive checkpoint test use `simengine` instead of `pauseengine`. Since that was the only test using `pauseengine`, a separate `PauseEngineTest` is created to test the engine.
>
> Timofei Pushkin has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Improve exception handling in recursive C/R test

LGTM, let's just integrate the other PR first.

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Marked as reviewed by rvansa (Committer).

PR Review: https://git.openjdk.org/crac/pull/240#pullrequestreview-2978489806