RFR: 8340407: Open source a few more Component related tests

[Alexander Zuev]

Clean up and open source four tests.

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Commit messages:
 - 8340407: Open source a few more Component related tests

Changes: https://git.openjdk.org/jdk/pull/21234/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21234&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340407
  Stats: 1395 lines in 4 files changed: 1395 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21234.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21234/head:pull/21234

PR: https://git.openjdk.org/jdk/pull/21234