Integrated: JDK-8294994: Update Jarsigner and Keytool i18n tests to validate i18n compliance

[Bill Huang]

On Mon, 10 Oct 2022 18:18:55 GMT, Bill Huang <bhuang at openjdk.org> wrote:

> The jarsigner and keytool are localized into English, German, Japanese and Simplified Chinese. This task is to modify the existing i18n tests to validate i18n compliance in these tools. 
> 
> In addition, this task also contains changes for manual test enhancement and simplification which originated from [JDK-8292663](https://bugs.openjdk.org/browse/JDK-8292663).

This pull request has now been integrated.

Changeset: ac194142
Author:    Bill Huang <bhuang at openjdk.org>
Committer: Naoto Sato <naoto at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/ac1941425bdb1a25aa3364eef9eb1092ee716761
Stats:     497 lines in 3 files changed: 485 ins; 2 del; 10 mod

8294994: Update Jarsigner and Keytool i18n tests to validate i18n compliance

Reviewed-by: naoto

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PR: https://git.openjdk.org/jdk/pull/10635