RFR: 8315825: Open some swing tests

[Alisen Chung]

Opening some closed swing tests

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Commit messages:
 - init commit

Changes: https://git.openjdk.org/jdk/pull/15606/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15606&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315825
  Stats: 403 lines in 4 files changed: 403 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15606.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15606/head:pull/15606

PR: https://git.openjdk.org/jdk/pull/15606