[crac] RFR: Add CRaC-specific tests to GHA [v7]

[Anton Kozlov]

On Thu, 23 Mar 2023 15:21:53 GMT, Radim Vansa <duke at openjdk.org> wrote:

>> Existing GitHub Actions run test tier1 but since most changes in this project focus on the CRaC capabilities we should run them in an automated fashion, too.
>> Right now the tests are mostly failing: this should be addressed in https://github.com/openjdk/crac/pull/47
>
> Radim Vansa has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Let ReseedTest use stdout rather than exit codes
>   
>   There was a 1:256 chance of test randomly failing because the random
>   generators produced the same number, despite differently seeded.

test/jdk/jdk/crac/SecureRandom/ReseedTest.java line 75:

> 73: 
> 74:         System.out.println(sr.nextInt());
> 75:         System.exit(0);

This change will also help when something is wrong with the restore, the previous version might confuse that situation with legitimate return with non-zero error. 

On the second thought, could you extract this into a separate PR?

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PR Review Comment: https://git.openjdk.org/crac/pull/48#discussion_r1147247593