RFR: test/jdk/java/nio/file/Files/probeContentType/Basic.java fails on some systems for the ".rar" extension

Tue Jul 12 21:02:06 UTC 2022

Add `application/x-rar-compressed` to the list of MIME types expected for the `rar` file extension.

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Commit messages:
 - 8290197: test/jdk/java/nio/file/Files/probeContentType/Basic.java fails on some systems for the .rar extension

Changes: https://git.openjdk.org/jdk/pull/9475/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9475&range=00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/9475.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9475/head:pull/9475

PR: https://git.openjdk.org/jdk/pull/9475