RFR: 8342576: [macos] AppContentTest still fails after JDK-8341443 for same reason on older macOS versions

[Alexander Matveev]

On Fri, 25 Oct 2024 01:49:01 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

> - It is not clear on which macOS versions codesign fails if application bundle contains additional content.
> - As a result test was modified to generate only application image, since PKG or DMG cannot be generated if signing fails. Exit code of jpackage is ignored, but generated application image will be checked for additional content.
> - This change is for macOS only.
> - Previous implementation of test (forcing expected exist code to 1) was not doing anything useful, since we never checked if additional content was copied or not.

Another possible solution to codesign failure is to add additional CLI command to jpackage `--mac-unsigned` and if such option is specified we will not run ad-hoc codesign at all. It will produce completely unsigned image which is not very useful, but will avoid any such problems during testing.

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PR Comment: https://git.openjdk.org/jdk/pull/21698#issuecomment-2438922113