RFR: 8362598: [macos] Add tests for custom info plist files [v4]

[Alexander Matveev]

On Fri, 3 Oct 2025 20:23:28 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

>> - Added test for custom info plist to cover app image including embedded runtime and runtime installer.
>> - Fixed bug in `writePList`. It was missing `writeStartDocument()/writeEndDocument()` and `DOCTYPE` should be full xml string.
>
> Alexander Matveev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - Merge remote-tracking branch 'upstream/master' into JDK-8362598
>  - 8362598: [macos] Add tests for custom info plist files [v4]
>  - 8362598: [macos] Add tests for custom info plist files [v3]
>  - 8362598: [macos] Add tests for custom info plist files [v2]
>  - 8362598: [macos] Add tests for custom info plist files

8362598: [macos] Add tests for custom info plist files [v5]
- Test updated after latest merge. It started failing since `plistFile.queryValue` did not able to find keys stored as value of `CustomInfoPListFA`. FA extension is xml stored as value of `CustomInfoPListFA`.

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PR Comment: https://git.openjdk.org/jdk/pull/27509#issuecomment-3367710324