RFR: 8373893: Refactor networking http server tests to use JUnit [v2]

[Michael McMahon]

> Hi,
> 
> This is an update to the httpserver networking tests to change the usage of testng to junit.
> 
> Thanks,
> Michael

Michael McMahon has updated the pull request incrementally with one additional commit since the last revision:

  test update

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/28908/files
  - new: https://git.openjdk.org/jdk/pull/28908/files/902ea993..126846ff

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28908&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28908&range=00-01

  Stats: 16 lines in 1 file changed: 1 ins; 3 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/28908.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28908/head:pull/28908

PR: https://git.openjdk.org/jdk/pull/28908