[jdk21u-dev] RFR: 8353070: Clean up and open source couple AWT Graphics related tests (Part 1)

[Goetz Lindenmaier]

I backport this test change as it also goes to 21.0.9-oracle

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Commit messages:
 - Backport 566092256861d6c7142fe22cc709ecb70f9db937

Changes: https://git.openjdk.org/jdk21u-dev/pull/1804/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1804&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353070
  Stats: 407 lines in 4 files changed: 407 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1804.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1804/head:pull/1804

PR: https://git.openjdk.org/jdk21u-dev/pull/1804