[jdk17u-dev] RFR: 8352682: Opensource JComponent tests

[Goetz Lindenmaier]

I backport this for parity with 17.0.18-oracle

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Commit messages:
 - Backport 55afcb57a5d9dbc7bfad75e35df6b96932f6b074

Changes: https://git.openjdk.org/jdk17u-dev/pull/4183/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4183&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352682
  Stats: 252 lines in 3 files changed: 252 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4183.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4183/head:pull/4183

PR: https://git.openjdk.org/jdk17u-dev/pull/4183