Integrated: 8361950: Update to use jtreg 8

[Christian Stein]

On Fri, 11 Jul 2025 09:05:40 GMT, Christian Stein <cstein at openjdk.org> wrote:

> Please review the change to update to using jtreg 8.
> 
> The primary change is to the `jib-profiles.js` file, which specifies the version of jtreg to use, for those systems that rely on this file. In addition, the requiredVersion has been updated in the various `TEST.ROOT` files.

This pull request has now been integrated.

Changeset: 5db1dfe5
Author:    Christian Stein <cstein at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/5db1dfe5c8b5df40779bb450849e6433aa9825ab
Stats:     41 lines in 11 files changed: 9 ins; 19 del; 13 mod

8361950: Update to use jtreg 8

Reviewed-by: jpai, iris, joehw, erikj, ihse, liach, alanb

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PR: https://git.openjdk.org/jdk/pull/26261