RFR: 8345547: test/jdk/javax/swing/text/DefaultEditorKit/4278839/bug4278839.java fails in ubuntu22.04 [v2]

[Prasanta Sadhukhan]

> test/jdk/javax/swing/text/DefaultEditorKit/4278839/bug4278839.java tests movement of caret between word and fails in OCI citing
> 
> 
> java.lang.RuntimeException: Test failed.
> at bug4278839.main(bug4278839.java:92)
> 
> which suggests caret is not moved as per expectation..It also seems the focus is not in the frame when the test start executing.
> Added robot delay and waitForIdle and it passed in several OCI systems

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  review

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/22566/files
  - new: https://git.openjdk.org/jdk/pull/22566/files/64ea23e5..aee0cdbb

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22566&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22566&range=00-01

  Stats: 16 lines in 1 file changed: 6 ins; 4 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/22566.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22566/head:pull/22566

PR: https://git.openjdk.org/jdk/pull/22566