RFR: 8301379: Verify TLS_ECDH_* cipher suites cannot be negotiated [v5]

[Sean Mullan]

On Thu, 15 Jun 2023 17:26:10 GMT, Matthew Donovan <mdonovan at openjdk.org> wrote:

>> This PR implements a test to verify that Java will not negotiate TLS connections when one side of the connection requests disabled cipher suites.
>
> Matthew Donovan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   added clarifying comment

Marked as reviewed by mullan (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/14316#pullrequestreview-1482147274