[jdk21u-dev] RFR: 8343891: Test javax/swing/JTabbedPane/TestJTabbedPaneBackgroundColor.java failed

[Goetz Lindenmaier]

I backport this for parity with 21.0.8-oracle

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Commit messages:
 - Backport c2e14b1b304796753bea2eca81aa24ab4b3bf6db

Changes: https://git.openjdk.org/jdk21u-dev/pull/1697/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1697&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343891
  Stats: 26 lines in 1 file changed: 14 ins; 3 del; 9 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1697.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1697/head:pull/1697

PR: https://git.openjdk.org/jdk21u-dev/pull/1697