git: openjdk/mobile: 8231254: (fs) Add test for macOS Catalina changes to protect system software

[duke]

Changeset: d6b72665
Author:    Brian Burkhalter <bpb at openjdk.org>
Date:      2019-09-23 13:59:41 +0000
URL:       https://github.com/openjdk/mobile/commit/d6b72665

8231254: (fs) Add test for macOS Catalina changes to protect system software

Reviewed-by: alanb

+ test/jdk/java/nio/file/etc/MacVolumesTest.java