test: move some test from sequential to parallel
Checklist
-
tests and code linting passes -
the commit message follows commit guidelines
Affected core subsystem(s)
test
Description of change
The only test with modifications is test-stdin-child-proc
that was
passing when it should not because the exit code of the child process
was not being checked.
I have run the tests on Debian Jessie 64
and SmartOS
and pass on both.