RFR: 8274274: Update JUnit to version 5.8.1 [v9]

[Kevin Rushforth]

On Mon, 22 Nov 2021 13:43:34 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>> I've added JUnit 5 as a test dependency and made sure that the JUnit 4 tests still work.  Also added a single JUnit 5 tests, and confirmed it works.
>> 
>> I've updated the Eclipse project file for the base module only.
>
> John Hendrikx has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Remove remaining references to old JUnit 4.8.2
>  - Upgrade to JUnit 4.13.2

Looks good. I did a CI build with the latest changes.

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Marked as reviewed by kcr (Lead).

PR: https://git.openjdk.java.net/jfx/pull/633