[jdk17u-dev] RFR: 8341378: Open source few TrayIcon tests - Set8 [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.16-oracle.
> 
> Resolved ProblemList, probably clean anyways.

Goetz Lindenmaier has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Backport b9db74a64577bf2b79570a789c91de6549a50788

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/3430/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/3430/files/6c95d04d..21564a5c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3430&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3430&range=00-01

  Stats: 613 lines in 1 file changed: 613 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3430.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3430/head:pull/3430

PR: https://git.openjdk.org/jdk17u-dev/pull/3430