[jdk25u] RFR: 8279005: sun/tools/jstat tests do not check for test case exit codes after JDK-8245129 [v3]

[Paul Hohensee]

> Test-only backport to fix jstat tests. Modified jstat tests (test/jdk/sun/tools/jstat/*) pass.

Paul Hohensee 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 three additional commits since the last revision:

 - Merge branch 'master' into 8279005
 - Merge branch 'master' into 8279005
 - Backport c90c31b07ef64eca65be5018a7757b960552f88a

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

Changes:
  - all: https://git.openjdk.org/jdk25u/pull/121/files
  - new: https://git.openjdk.org/jdk25u/pull/121/files/21ada948..4b43eb88

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk25u&pr=121&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk25u&pr=121&range=01-02

  Stats: 70 lines in 9 files changed: 33 ins; 13 del; 24 mod
  Patch: https://git.openjdk.org/jdk25u/pull/121.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/121/head:pull/121

PR: https://git.openjdk.org/jdk25u/pull/121