RFR: build: update to JUnit 5.8.2

Tue Dec 14 14:15:19 UTC 2021

On Tue, 14 Dec 2021 08:24:03 GMT, Christian Stein <cstein at openjdk.org> wrote:

> This patch that updates JUnit Jupiter to 5.8.2 and JUnit Platform to 1.8.2.
> 
> PS: The text at https://github.com/openjdk/skara#testing reading "_JUnit 5.6.2 or later is required to run the unit tests._" seems to be out of date. Shouldn't it read like: "A recent version of JUnit 5 is..."?

Done.

What's up with pre-submit tests on mac os?

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PR: https://git.openjdk.java.net/skara/pull/1260