[lworld] RFR: 8297207: [lworld] refactor primitive classes tests [v4]

[Vicente Romero]

> refactoring primitive classes tests, consolidating compilation tests etc

Vicente Romero has updated the pull request incrementally with two additional commits since the last revision:

 - Merge branch 'JDK-8297207' of https://github.com/vicente-romero-oracle/valhalla into JDK-8297207
 - integrating more tests

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Changes:
  - all: https://git.openjdk.org/valhalla/pull/811/files
  - new: https://git.openjdk.org/valhalla/pull/811/files/3006e388..1d4d77d5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=811&range=03
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=811&range=02-03

  Stats: 64 lines in 5 files changed: 15 ins; 49 del; 0 mod
  Patch: https://git.openjdk.org/valhalla/pull/811.diff
  Fetch: git fetch https://git.openjdk.org/valhalla pull/811/head:pull/811

PR: https://git.openjdk.org/valhalla/pull/811