RFR: 8308592: Update CA interop test certificates [v3]

[Sean Mullan]

On Wed, 31 May 2023 22:46:53 GMT, Rajan Halade <rhalade at openjdk.org> wrote:

>> The new approach uses test URLs directly to verify interoperability with CA infrastructure. This would help us avoid having regular test fixes to update test artifacts as long as CAs keep test domains up to date.
>
> Rajan Halade has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8308592: remove unused imports

I suggest changing the title and description of the bug as the fix is more significant than updating a few expired certificates.

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PR Comment: https://git.openjdk.org/jdk/pull/14252#issuecomment-1572656304