RFR: JDK-8309503: Improve javax.lang.model tests for JEP 445 [v2]

[Jan Lahoda]

On Tue, 6 Jun 2023 00:46:28 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Improve testing methodology for unnamed classes in javax.lang.model, including coverage of binary names.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Improve test to make sure some checking is done.

Looks OK to me.

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Marked as reviewed by jlahoda (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14321#pullrequestreview-1464341424