RFR: 8306954: Open source five Focus related tests

[Phil Race]

On Thu, 27 Apr 2023 23:39:56 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

> Cleaning up tests:
> 
> AsyncUpFocusCycleTest.java
> ClearMostRecentFocusOwnerTest.java
> ConsumedTabKeyTest.java,
> EventRetargetTest.java
> ExtraPropChangeNotifVetoingTest.java

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/13707#pullrequestreview-1406410712