RFR: 8260555: Change the default TIMEOUT_FACTOR from 4 to 1 [v5]

[Leo Korinth]

On Fri, 22 Aug 2025 15:46:18 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Leo Korinth has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   update testing.md, remove makefile link, fix bad text
>
> test/hotspot/jtreg/serviceability/jvmti/vthread/SuspendResume2/SuspendResume2.java line 31:
> 
>> 29:  * @compile SuspendResume2.java
>> 30:  * @run driver jdk.test.lib.FileInstaller . .
>> 31:  * @run main/othervm/native/timeout=700
> 
> Why `700` instead of `480` in this file?

I think this is one of the earlier tests that failed with a timeout factor of `0.7` on 480. Later on I doubled it, but here I was a bit more conservative.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26749#discussion_r2314279387