[LTP] [PATCH v5 0/4] Run tests in CI

[Petr Vorel]

> Hi!
> > > Thanks! Testing it in https://github.com/pevik/ltp/actions/runs/1031005963

> > The result is much better but still not correct:
> > https://github.com/pevik/ltp/runs/3068932859?check_suite_focus=true#step:11:707

> If tests are printing into stdout as well it will be easier to redirect
> the test output in the script so that the CI gets it all into a single
> file descriptor.

> What about doing ./$i 1>&2 in the loop that runs the tests instead?
How simple, that should work, I'll test that.

FYI I also need to install iproute (runtime shell API test dependency).
Simple enough to just merge it after this gets merged.