RFR: 8256894: define test groups [v2]

[Igor Ignatyev]

On Mon, 30 Nov 2020 21:10:13 GMT, Igor Ignatyev <iignatyev at openjdk.org> wrote:

>> Ivan Šipka has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8257516: removing trailing space
>
> @frkator, you will need to open a new JBS ticket for this change.

> @iignatev as for:
> "[#1416 (comment)](https://github.com/openjdk/jdk/pull/1416#discussion_r532904345)"
> accidentaly resolved. Yes they are but the goal is to list all manual tests under one label for counting purposes.

I understand that; my comment was rather to @AlanBateman 's request not to add manual tests into `:jdk_code`. they already are, and removing explicit inclusion of `:jdk_core_manual` to `:jdk_core` won't change that.

-- Igor

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PR: https://git.openjdk.java.net/jdk/pull/1416