RFR: 8326611: Clean up vmTestbase/nsk/stress/stack tests [v4]

[Leonid Mesnik]

> The vmTestbase/nsk/stress/stack might be slightly refactored to improve reading. Mostly, simple refactoring.
> Test logic was not changed, except removing verbose mode and enabling printing.

Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:

  removed tests from tier1.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/17993/files
  - new: https://git.openjdk.org/jdk/pull/17993/files/4c2ecb45..4f7ecd39

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17993&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17993&range=02-03

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17993.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17993/head:pull/17993

PR: https://git.openjdk.org/jdk/pull/17993