RFR: 7903981: Support easy way to use current class name for test actions [v2]

[Roger Riggs]

On Fri, 4 Apr 2025 17:50:17 GMT, Christian Stein <cstein at openjdk.org> wrote:

>> Please review this change to allow an easier way to use current class name for test actions.
>
> Christian Stein has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Clean up

Something in the PR topic should describe the change being proposed. (Something about smart tags and whatever...)
The edit to the tag-spec doesn't describe the rationale and solution.

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PR Comment: https://git.openjdk.org/jtreg/pull/257#issuecomment-2779476264