RFR: CODETOOLS-7903261: Add FAQ entry about the time taken to run tests

[Jonathan Gibbons]

On Wed, 24 Aug 2022 04:35:57 GMT, Iris Clark <iris at openjdk.org> wrote:

>> Please review an update to the FAQ, to add an entry about the information recorded in `.jtr` files about test execution times.
>
> src/share/doc/javatest/regtest/faq.md line 1025:
> 
>> 1023: awhile in case the files go away in a timely manner.
>> 1024: 
>> 1025: ### My tests take a long time to run: how do I find where the time goes?
> 
> You might want to consider breaking up your answer into two parts.  The first part answers the question "My **test** takes a long time to run: how to I find where the time goes?" The second part answers "How do I find the longest-running tests in my test suite?"

Noted; thanks

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PR: https://git.openjdk.org/jtreg/pull/106