[crac] RFR: Adjusting CRaC tests

[Roman Marchenko]

Fixing the CRaC tests to adapt them for different platforms

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Commit messages:
 - Adjusting crac tests

Changes: https://git.openjdk.org/crac/pull/144/files
 Webrev: https://webrevs.openjdk.org/?repo=crac&pr=144&range=00
  Stats: 48 lines in 3 files changed: 13 ins; 5 del; 30 mod
  Patch: https://git.openjdk.org/crac/pull/144.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/144/head:pull/144

PR: https://git.openjdk.org/crac/pull/144