RFR: 8344628: Test TestEnableJVMCIProduct.java run with virtual thread intermittent fails

[SendaoYan]

On Fri, 22 Nov 2024 13:56:51 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

> This PR prevents a rare, intermittent failure of TestEnableJVMCIProduct.java.
> It does this by writing the expected test output to a file instead of stdout to avoid issues with VM error logging interleaving with the test output.

After apply this patch and run the test with virtual thread 50k times all passed.

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Marked as reviewed by syan (Committer).

PR Review: https://git.openjdk.org/jdk/pull/22323#pullrequestreview-2456019044