[jdk17u-dev] RFR: 8346581: JRadioButton/ButtonGroupFocusTest.java fails in CI on Linux

[Goetz Lindenmaier]

I backport this for parity with 17.0.16-oracle

-------------

Commit messages:
 - Backport 57af52c57390f6f7413b5d3ffe64921c9b83aae4

Changes: https://git.openjdk.org/jdk17u-dev/pull/3361/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3361&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8346581
  Stats: 124 lines in 1 file changed: 85 ins; 13 del; 26 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3361.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3361/head:pull/3361

PR: https://git.openjdk.org/jdk17u-dev/pull/3361