RFR: 8249824: s/n/w/p/https/HttpsURLConnection/CloseKeepAliveCached.java uses @ignore w/o bugid [v4]

[Mikhail Yankelevich]

> * fully automated the test
> * removed the race condition
> * client on a thread and server on a thread options are now run together automatically

Mikhail Yankelevich has updated the pull request incrementally with one additional commit since the last revision:

  cleanup and update of the code to the current style

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/23469/files
  - new: https://git.openjdk.org/jdk/pull/23469/files/68c52a37..2bff4a34

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23469&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23469&range=02-03

  Stats: 68 lines in 1 file changed: 13 ins; 5 del; 50 mod
  Patch: https://git.openjdk.org/jdk/pull/23469.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23469/head:pull/23469

PR: https://git.openjdk.org/jdk/pull/23469