RFR: 8292262: adjust timeouts in several M&M tests

[Daniel D. Daugherty]

On Thu, 11 Aug 2022 21:36:41 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> Marked as reviewed by cjplummer (Reviewer).
>
>> @plummercj - Thanks for the review. Do you agree that these are trivial changes?
> 
> ok

@plummercj - Thanks. My current stress testing cycle will finish on Sunday.

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PR: https://git.openjdk.org/jdk/pull/9847