RFR: 8346884: Add since checker test to jdk.editpad

[Jaikiran Pai]

On Tue, 3 Jun 2025 10:09:44 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

> Please review this patch to add a new test to check `@since` tags in the `jdk.editpad` module.
> 
> TIA

This looks OK to me.

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Marked as reviewed by jpai (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25613#pullrequestreview-2995985317