RFR: 8310525: DynamicLauncher for JDP test needs to try harder to find a free port

[Leonid Mesnik]

On Fri, 13 Sep 2024 09:47:07 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

> JDP tests only make 3 attempts to find a free port, using getFreePort().
> We know getFreePort() is racy and you need to make sure the port really is fee when trying to use it.
> 
> Make 10 attempts.  Leave the logic unchanged.  Also fix a typo in another test.

Marked as reviewed by lmesnik (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/20991#pullrequestreview-2306969278