RFR: 8306871: Open source more AWT Drag & Drop tests

[Phil Race]

On Fri, 28 Apr 2023 18:34:36 GMT, Damon Nguyen <dnguyen at openjdk.org> wrote:

> This PR open sources more AWT DnD & Event related tests

Fix the comment before integration

test/jdk/java/awt/event/KeyEvent/AltGraphModifier.java line 28:

> 26:   @bug 4343344
> 27:   @summary Tests key modifiers when ALT_GRAPH key is pressed by Robot.
> 28:            This test is for UNIX only.

I think this comment is confusing and should be removed since
(1) the test is only being excluded on mac which is actually Unix
(2) it is being run on Windows which most definitely isn't Unix.

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Marked as reviewed by prr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/13725#pullrequestreview-1406647484
PR Review Comment: https://git.openjdk.org/jdk/pull/13725#discussion_r1180849298