#10332 - add skip criteria for test that's flaky on non-posix

[eevelweezel]

Scope and purpose

Fixes #10332

Add skip criteria for test that's flaky on non-posix systems, similar to other tests in the module.

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[adiroiban]

I am not sure that always skipping a flaky test is the way to fix it :p

and I haven't seen that error lately in the CI?

Do you have an environment in which this tests fails often ?

Maybe it is worth investigating why it fails there... I am sure there is a bug somewhere.