RFR: 8263729: [test] Extend time to wait before destroying child in ProcssBuilder Basic test

[Thomas Stuefe]

On Wed, 17 Mar 2021 19:34:19 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Hmm, maybe the child can create a file to indicate that bootstrap has finished.
>
>> The child does no (zero) writes to either stream. It is invoked only to sleep until it is destroyed.
>> The purpose of the test is to verify the exception that is thrown when the other end(child) of the pipe is closed (because the process has been forcibly terminated).
> 
> I meant as a consequence of an error. E.g. a crash or a native OOM could cause the child to write an error report to stderr.

> Hmm, maybe the child can create a file to indicate that bootstrap has finished.

Why does the child even have to be a java VM?

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PR: https://git.openjdk.java.net/jdk/pull/3049