RFR: 8354554: Open source several clipboard tests batch1 [v3]

[Alexander Zvegintsev]

> few more clipboard tests are opensourced. Some of them are in problemlist.

Alexander Zvegintsev has updated the pull request incrementally with two additional commits since the last revision:

 - remove ProcessTools.executeTestJava();
 - add process.destroyForcibly();

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24806/files
  - new: https://git.openjdk.org/jdk/pull/24806/files/63ac4291..f281b157

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24806&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24806&range=01-02

  Stats: 2 lines in 2 files changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24806.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24806/head:pull/24806

PR: https://git.openjdk.org/jdk/pull/24806