RFR: 8345468: test/jdk/javax/swing/JScrollBar/4865918/bug4865918.java fails in ubuntu22.04 [v2]

[Prasanta Sadhukhan]

> Test is failing in OCI system citing
> 
> java.lang.Error: The scrollbar block increment is incorect
> at bug4865918.main(bug4865918.java:68) 
> 
> seemingly because focus is not in scrollbar..Added stability delay to make test execution wait after frame visibility and made frame to center of screen.
> Test passed in several OCI systems with this modification...

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/22540/files
  - new: https://git.openjdk.org/jdk/pull/22540/files/9455cfb0..1423bb75

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22540&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22540&range=00-01

  Stats: 9 lines in 1 file changed: 0 ins; 5 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/22540.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22540/head:pull/22540

PR: https://git.openjdk.org/jdk/pull/22540