RFR: 7946: core/common.test is not running any tests

[Marcus Hirt]

On Tue, 25 Oct 2022 18:31:11 GMT, Christoph Langer <clanger at openjdk.org> wrote:

> Currently, probably since the latest refactoring, the common.test project does not execute any of its tests.
> 
> Let's fix it (in pom.xml) along with some other cleanups to a few test cases.

Marked as reviewed by hirt (Lead).

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PR: https://git.openjdk.org/jmc/pull/448