[jdk11u-dev] RFR: 8180569: Refactor sun/security/krb5/ shell tests to plain java tests [v2]

[Christoph Langer]

> Backport of JDK-8180569 Refactor sun/security/krb5/ shell tests to plain java tests

Christoph Langer has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into RealCLanger-backport-8b83b515
 - Backport 8b83b515b1981557ab27703482b4c14ca4cdb11c

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Changes:
  - all: https://git.openjdk.java.net/jdk11u-dev/pull/386/files
  - new: https://git.openjdk.java.net/jdk11u-dev/pull/386/files/bb2cfb09..39e56cd9

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=386&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=386&range=00-01

  Stats: 111 lines in 9 files changed: 51 ins; 13 del; 47 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/386.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/386/head:pull/386

PR: https://git.openjdk.java.net/jdk11u-dev/pull/386