[jdk17u-dev] RFR: 8352684: Opensource JInternalFrame tests - series1

[Goetz Lindenmaier]

I backport this test change as it also goes to 17.0.17-oracle.

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Commit messages:
 - Backport 66435c27b3e0a89e4350caf6207e36f5a9b82b7f

Changes: https://git.openjdk.org/jdk17u-dev/pull/3582/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3582&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352684
  Stats: 304 lines in 4 files changed: 304 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3582.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3582/head:pull/3582

PR: https://git.openjdk.org/jdk17u-dev/pull/3582