RFR: 8340464: [TestBug] Convert parametrized base tests to JUnit 5 [v4]

[Jay Bhaskar]

> Migrated JUnit 4 tests in the jafax.base module to JUnit 5, replacing deprecated APIs, updating assertions, and refactoring test structures to align with JUnit 5's improved features.

Jay Bhaskar has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:

 - Merge remote-tracking branch 'upstream/master' into juni5bastest
 - missing review change and remove trailing white space
 - simplify test setup according to review
 - remove trailing white space
 - 8340464: [TestBug] Convert parametrized base tests to JUnit 5

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

Changes:
  - all: https://git.openjdk.org/jfx/pull/1759/files
  - new: https://git.openjdk.org/jfx/pull/1759/files/5f79e450..03e9dd52

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1759&range=03
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1759&range=02-03

  Stats: 509 lines in 23 files changed: 331 ins; 129 del; 49 mod
  Patch: https://git.openjdk.org/jfx/pull/1759.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1759/head:pull/1759

PR: https://git.openjdk.org/jfx/pull/1759