RFR: 8351372: Improve negative tests coverage of jpackage [v2]

[Alexey Semenyuk]

On Sat, 8 Mar 2025 04:01:41 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

>> Alexey Semenyuk has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Fix typo
>>  - Fix Unicode signing certificate index
>
> test/jdk/tools/jpackage/macosx/base/SigningBase.java line 37:
> 
>> 35:     enum CertIndex {
>> 36:         ASCII_INDEX(0),
>> 37:         UNICODE_INDEX(0),
> 
> This one should be 1. Looks like we had a bug.

Fixed

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PR Review Comment: https://git.openjdk.org/jdk/pull/23936#discussion_r1987576405