RFR: 8264190: Harden TLS interop tests [v3]

[Fernando Guallini]

On Mon, 29 Mar 2021 18:45:47 GMT, Rajan Halade <rhalade at openjdk.org> wrote:

>> Fernando Guallini has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Improve JdkServer::close and Utilities::waitFor methods
>
> test/jdk/javax/net/ssl/TLSCommon/interop/BaseInteropTest.java line 236:
> 
>> 234:             // Retry operation, server might have failed to bind a port
>> 235:             server.signalStop();
>> 236:             server = createServer(useCase, executor);
> 
> Can you please define MAX_RETRIES and use loop to retry? This will make it flexible for us to update retries if needed and avoid duplicate code.

Done, also retries value can be now overridden by subclasses if we wanted. In addition, moved Utilities::shell and shellProc to ProcUtils class which is a better location and added support for running win commands

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PR: https://git.openjdk.java.net/jdk/pull/3218