RFR: Draft: 8274274: Update JavaFX test framework to JUnit 5 [v3]

[Kevin Rushforth]

On Fri, 24 Sep 2021 21:20:19 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:
> 
>  - Add copyright header
>  - Remove apiguardian and hamcrest dependencies as not strictly required

The gradle verification task failed (see the test results from GitHub Actiona). It looks like it still needs the hamcrest jars. Go ahead and add them back in (and remove the exclusion for them).

-------------

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