RFR: JDK-8314246: javax/swing/JToolBar/4529206/bug4529206.java fails intermittently on Linux [v2]

[Harshitha Onkar]

> JToolBar test - bug4529206.java was failing intermittently on Linux. It was due to timing issue. Added appropriate delay to fix the issue.
> 
> CI Testing passes on all platforms.

Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:

  AutoWaitForIdle

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/15316/files
  - new: https://git.openjdk.org/jdk/pull/15316/files/3b4ae1be..a206be4c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15316&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15316&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15316.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15316/head:pull/15316

PR: https://git.openjdk.org/jdk/pull/15316