RFR: 8362276: NMT tests should have locks for the entire tests

[Gerard Ziemski]

On Tue, 15 Jul 2025 18:36:44 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Well, GHA thinks this does not work:
> 
> ```
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  Internal Error (/Users/runner/work/jdk/jdk/src/hotspot/share/runtime/mutex.cpp:143), pid=5569, tid=259
> #  assert(owner() != self) failed: invariant
> ```

Yes, this is probably why Afshin went with his fix, investigating ....

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PR Comment: https://git.openjdk.org/jdk/pull/26324#issuecomment-3075293145