RFR: 8322347: GenShen: Run shenandoah tier2 and tier3 tests separately in GHA

[Y. Srinivas Ramakrishna]

On Tue, 19 Dec 2023 00:37:34 GMT, William Kemper <wkemper at openjdk.org> wrote:

> The Shenandoah tier1 tests already run as part of the gc tier1 tests, so running all Shenandoah tiers repeats them. Running tier2 and tier3 tests separately should have them run in parallel and decrease overall time for GHA to complete.

Thank you!

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Marked as reviewed by ysr (Committer).

PR Review: https://git.openjdk.org/shenandoah/pull/375#pullrequestreview-1787920371