RFR: 8349534: Refactor jdk/sun/security/krb5/runNameEquals.sh to java test

[Mikhail Yankelevich]

Refactored the runNameEquals.sh to java test

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Commit messages:
 - 8349534: Refactor jdk/sun/security/krb5/runNameEquals.sh to java test

Changes: https://git.openjdk.org/jdk/pull/23542/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23542&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8349534
  Stats: 262 lines in 2 files changed: 97 ins; 136 del; 29 mod
  Patch: https://git.openjdk.org/jdk/pull/23542.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23542/head:pull/23542

PR: https://git.openjdk.org/jdk/pull/23542