RFR: 8343739: Test java/awt/event/KeyEvent/ExtendedKeyCode/ExtendedKeyCodeTest.java failed: Wrong extended key code [v3]

[Alisen Chung]

> Test was failing on Ubuntu, looks to be a synchronous error in the test so I rewrote it to improve stability.

Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:

  check eventsCount

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24885/files
  - new: https://git.openjdk.org/jdk/pull/24885/files/2199d038..711bd81f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24885&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24885&range=01-02

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/24885.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24885/head:pull/24885

PR: https://git.openjdk.org/jdk/pull/24885