RFR: 7903753: Report duration of testng test methods

[Jaikiran Pai]

Can I please get a review of this change which proposes to print the duration for each of the testng test methods? This addresses https://bugs.openjdk.org/browse/CODETOOLS-7903753.

Similar to https://github.com/openjdk/jtreg/pull/206, which does this for junit tests, the commit in this PR includes the duration for each test method as follows:


test LargeEntriesTest.testForceZIP64End(java.util.ImmutableCollections$MapN at 1398b884, 8): success [141ms]
test LargeEntriesTest.testForceZIP64End(java.util.ImmutableCollections$MapN at 1caef225, 0): success [5ms]
test LargeEntriesTest.testForceZIP64End(java.util.ImmutableCollections$MapN at 2a2df4a5, 8): success [4ms]
test LargeEntriesTest.testForceZIP64End(java.util.ImmutableCollections$MapN at 85ce7c1, 0): success [3ms]
test LargeEntriesTest.testJar({create=true}, 8): success [5121ms]
test LargeEntriesTest.testJar(java.util.ImmutableCollections$MapN at 34771e2b, 0): success [3029ms]
test LargeEntriesTest.testJar(java.util.ImmutableCollections$MapN at 27fb5d9f, 8): success [4333ms]
test LargeEntriesTest.testZip({create=true}, 8): success [3944ms]
test LargeEntriesTest.testZip(java.util.ImmutableCollections$MapN at 62272fdb, 0): success [2638ms]
test LargeEntriesTest.testZip(java.util.ImmutableCollections$MapN at 6f1bd253, 8): success [4138ms]


A new self test has been introduced to verify this change and an existing self test had to be updated to allow for the presence of the duration in the text output. All self tests including the new one continue to pass with these changes.

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Commit messages:
 - 7903753: Report duration of testng test methods

Changes: https://git.openjdk.org/jtreg/pull/207/files
  Webrev: https://webrevs.openjdk.org/?repo=jtreg&pr=207&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903753
  Stats: 109 lines in 5 files changed: 101 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jtreg/pull/207.diff
  Fetch: git fetch https://git.openjdk.org/jtreg.git pull/207/head:pull/207

PR: https://git.openjdk.org/jtreg/pull/207