git: openjdk/jdk17u-dev: 8278456: Define jtreg jdk_desktop test group time-based sub-tasks for use by headful testing.

[Goetz Lindenmaier]

Changeset: 7f2344b4
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-06-19 06:52:54 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/7f2344b4c2576ed72ca094a7543f2602ebb98805

8278456: Define jtreg jdk_desktop test group time-based sub-tasks for use by headful testing.

Backport-of: 81c56c700a47c7f1b7855052de17eb88fac84674

! test/jdk/TEST.groups