[lworld] RFR: 8321293: [lworld] First batch of migrated runtime tests [v2]

[Frederic Parain]

> First batch of migrated runtime tests.

Frederic Parain 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:

 - Tests update and cleanup
 - Merge remote-tracking branch 'upstream/lworld' into migrate_tests
 - Migrate tests from using primitive classes to annotated value classes

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/959/files
  - new: https://git.openjdk.org/valhalla/pull/959/files/1b87a84a..0e5b490f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=959&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=959&range=00-01

  Stats: 612 lines in 52 files changed: 370 ins; 42 del; 200 mod
  Patch: https://git.openjdk.org/valhalla/pull/959.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/959/head:pull/959

PR: https://git.openjdk.org/valhalla/pull/959