RFR: 8324937: GHA: Avoid multiple test suites per job

[Aleksey Shipilev]

On Tue, 30 Jan 2024 19:05:02 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> See the description in the bug. This mitigates the issue by splitting out the only test job that has two test suites in it.
>
> I think this combination of two tests were made due to fear of too much overhead of creating a small test suite, or something like that. Is there anything in the reasoning that brought us this solution that is still relevant, or was it just a premature optimization that is causing us headache now?

I would like to integrate this, if you have no further comments, @magicus ?

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PR Comment: https://git.openjdk.org/jdk/pull/17627#issuecomment-1919478602