RFR: 8340464: [TestBug] Convert parametrized base tests to JUnit 5 [v6]

[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 incrementally with two additional commits since the last revision:

 - remove whitespace
 - change according to review

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

Changes:
  - all: https://git.openjdk.org/jfx/pull/1759/files
  - new: https://git.openjdk.org/jfx/pull/1759/files/76686013..1a5cdf51

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1759&range=05
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1759&range=04-05

  Stats: 406 lines in 7 files changed: 135 ins; 176 del; 95 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