RFR: 8373913: Refactor serialization tests to use JUnit [v5]

[Roger Riggs]

> Refactor serialization tests to use JUnit.
> Automated conversion for most annotations.
> Conditional tests are refactored to use JUnit Enable/DisableIf.

Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:

  Review suggestions to remove extra spaces, duplicate annotation, and
  the last remaining use of PER_CLASS.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/28877/files
  - new: https://git.openjdk.org/jdk/pull/28877/files/894b61b8..0d36b13a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28877&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28877&range=03-04

  Stats: 7 lines in 3 files changed: 0 ins; 2 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/28877.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28877/head:pull/28877

PR: https://git.openjdk.org/jdk/pull/28877