RFR: 8355444: [java.io] Use @requires tag instead of exiting based on "os.name" property value

[Brian Burkhalter]

On Fri, 25 Apr 2025 10:25:02 GMT, Mark Sheppard <msheppar at openjdk.org> wrote:

> test/jdk/java/io/File/MacPathTest.java test/jdk/java/io/File/MaxPath.java
> 
> maybe for these two cases, throw a SkippedException rather than just return ?

`MacPathTest` is run by `MacPath` in a `ProcessBuilder` so there is really no change for that one from the current master after the most recent commit (5d24645).

`MaxPath` could throw a `SkippedException` instead.

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PR Comment: https://git.openjdk.org/jdk/pull/24860#issuecomment-2835767241