RFR: 8339515: [TestBug] Convert web tests to JUnit 5 [v5]

[Jay Bhaskar]

> Successfully converted web tests from JUnit 4 to JUnit 5, ensuring all tests are fully compliant with the JUnit 5 framework.

Jay Bhaskar has updated the pull request incrementally with two additional commits since the last revision:

 - revert copyright date
 - Revert "copyright year updated along with minor spcae related review"
   
   This reverts commit 27275c3e06311b993e7a48eeb8616acc4cc774e8.

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1567/files
  - new: https://git.openjdk.org/jfx/pull/1567/files/af58da2d..b1de60d6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1567&range=04
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1567&range=03-04

  Stats: 43 lines in 43 files changed: 0 ins; 0 del; 43 mod
  Patch: https://git.openjdk.org/jfx/pull/1567.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1567/head:pull/1567

PR: https://git.openjdk.org/jfx/pull/1567