RFR: 8334320: Replace vmTestbase/metaspace/share/TriggerUnloadingWithWhiteBox.java with ClassUnloadCommon from testlibrary

[Coleen Phillimore]

On Fri, 17 Jan 2025 13:43:35 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Rename and make TriggerUnloadingWithWhiteBox call ClassUnloadCommon.triggerUnloading() instead of WB.fullGC().

@tstuefe Can you review and comment since you added these tests?  Thank you!

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

PR Comment: https://git.openjdk.org/jdk/pull/23174#issuecomment-2612454953