[jdk22u] RFR: 8331331: :tier1 target explanation in doc/testing.md is incorrect [v2]

[SendaoYan]

On Mon, 13 May 2024 09:44:40 GMT, SendaoYan <syan at openjdk.org> wrote:

>> Hi,
>>   This is clean backport of [JDK-8331331](https://bugs.openjdk.org/browse/JDK-8331331), fixed the incorrect explanation :tier1 target in doc/testing.md. No risk.
>
> SendaoYan has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'openjdk:master' into backport-sendaoYan-04271dfe
>  - Backport 04271dfe7a262379944e2a2cf83a98a3a1b78a74

> I believe GHA failures are environmental.
> 
> /sponsor

Thanks.

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PR Comment: https://git.openjdk.org/jdk22u/pull/183#issuecomment-2109689700