[crac] RFR: Adapted some FileDescriptor tests for Win [v5]

[Roman Marchenko]

> Made changes regarding FileDescriptor for Win platform, adapted some tests.

Roman Marchenko has updated the pull request incrementally with one additional commit since the last revision:

  Moving macro outside func to make it clearer

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Changes:
  - all: https://git.openjdk.org/crac/pull/91/files
  - new: https://git.openjdk.org/crac/pull/91/files/2e32f2e2..69680030

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=crac&pr=91&range=04
 - incr: https://webrevs.openjdk.org/?repo=crac&pr=91&range=03-04

  Stats: 3 lines in 1 file changed: 2 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/crac/pull/91.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/91/head:pull/91

PR: https://git.openjdk.org/crac/pull/91