RFR: JDK-8295859: Update Manual Test Groups

[Alan Bateman]

On Tue, 25 Oct 2022 23:10:53 GMT, Bill Huang <bhuang at openjdk.org> wrote:

> This task is created to add manual tests to the manual test groups.
> 
> In addition, fix is provided for TestMatrix.java#Downcall-F and TestMatrix.java#Downcall-T which are failing due to missing TestDowncall.java ([JDK-8287158](https://bugs.openjdk.org/browse/JDK-8287158)).

No objection to this but it seems a maintenance burden and I'm curious why these runs aren't run with the jtreg -manual option that will select the manual tests, e.g. `-listtests -manual open/test/jdk/:jdk_core` will list the tests in jdk_core that are configured to run /manual.

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

PR: https://git.openjdk.org/jdk/pull/10864