RFR: 8349151: Refactor test/java/security/cert/CertificateFactory/slowstream.sh to java test [v3]

[Mikhail Yankelevich]

> Refactor test/java/security/cert/CertificateFactory/slowstream.sh to java test

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

  Rajan's comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/23394/files
  - new: https://git.openjdk.org/jdk/pull/23394/files/396844a4..520fcde6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23394&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23394&range=01-02

  Stats: 20 lines in 1 file changed: 8 ins; 1 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/23394.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23394/head:pull/23394

PR: https://git.openjdk.org/jdk/pull/23394