RFR: 8244602: Add JTREG_REPEAT_COUNT to repeat execution of a test

[Aleksey Shipilev]

On Wed, 5 Jan 2022 08:31:54 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> doc/testing.html line 198:
>> 
>>> 196: <p>Retry failed tests up to a set number of times. Defaults to 0.</p>
>>> 197: <h4 id="repeat_count">REPEAT_COUNT</h4>
>>> 198: <p>Repeat the tests for a set number of times. Defaults to 0.</p>
>> 
>> Don't we need to mention that the goal of the repeat_count is to run a test until it fails first (to reproduce intermittent issues)?
>
> We can. Current docs copy-pasted the form of `RETRY_COUNT` above. Both should be updated with some mention for use cases. Let me do that...

See #6964.

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PR: https://git.openjdk.java.net/jdk/pull/6720