RFR: 8317283: jpackage tests run osx-specific checks on windows and linux

[Alexander Matveev]

On Thu, 28 Sep 2023 23:38:51 GMT, Alexey Semenyuk <asemenyuk at openjdk.org> wrote:

> - Don't run osx specific checks on Linux and Windows
>  - Rework checks output from 
> 
> [17:31:52.845] TRACE: assertTrue(): Unexptected value in app image file for <signed>
> [17:31:52.860] TRACE: assertTrue(): Unexptected value in app image file for <app-store>
> 
> to
> 
> [22:07:46.519] TRACE: assertEquals(false): Check for unexptected value in app image file for <signed>
> [22:07:46.519] TRACE: assertEquals(false): Check for unexptected value in app image file for <app-store>

Looks good.

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Marked as reviewed by almatvee (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15975#pullrequestreview-1649891012