RFR: 8318528: Rename TestUnstructuredLocking test

[Paul Hohensee]

On Thu, 19 Oct 2023 16:55:52 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Low-priority house-keeping. See the rationale in the bug.
> 
> Additional testing:
>  - [x] macos-aarch64-server-fastdebug, affected test passes

Trivial.

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Marked as reviewed by phh (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16273#pullrequestreview-1688443344