RFR: 8339515: [TestBug] Convert web tests to JUnit 5 [v6]

[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 with a new target base due to a merge or a rebase. The pull request now contains seven commits:

 - Merge branch 'master' into testsprint
 - revert copyright date
 - Revert "copyright year updated along with minor spcae related review"
   
   This reverts commit 27275c3e06311b993e7a48eeb8616acc4cc774e8.
 - converting newly added tests to JUNIT5
 - resolve conflict
 - copyright year updated along with minor spcae related review
 - 8339515: [TestBug] Convert web tests to JUnit 5

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Changes: https://git.openjdk.org/jfx/pull/1567/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1567&range=05
  Stats: 1230 lines in 46 files changed: 129 ins; 136 del; 965 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