[jdk21u-dev] RFR: 8333403: Write a test to check various components events are triggered properly

[Goetz Lindenmaier]

I backport this for parity with 21.0.7-oracle

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Commit messages:
 - Backport a02d895f7ad59fe33f8a761dbd7bceb0b8dfefc0

Changes: https://git.openjdk.org/jdk21u-dev/pull/1324/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1324&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333403
  Stats: 357 lines in 1 file changed: 357 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1324.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1324/head:pull/1324

PR: https://git.openjdk.org/jdk21u-dev/pull/1324