[jdk17u] RFR: 8272345: macos doesn't check `os::set_boot_path()` result

[Alex Kasko]

Clean backport of a Mac-specific fix.

Additonal testing:

 - [x] checked that updated test fails (with a crash) on Mac without the patch
 - [x] checked that updated test passes on Max and Linux

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Commit messages:
 - Backport bd27bb9cbedebd09f589679947ff32261f9ef352

Changes: https://git.openjdk.java.net/jdk17u/pull/225/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=225&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272345
  Stats: 12 lines in 2 files changed: 5 ins; 4 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/225.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/225/head:pull/225

PR: https://git.openjdk.java.net/jdk17u/pull/225