tests: improve the flexibility of the test logging
tests: improve the flexibility of the test logging

Improve the test logging by separating the stdout and stderr logging
and make both more comprehensive.

Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>

seccomp/libseccomp,amluto/libseccomp,amluto/libseccomp,seccomp/libseccomp,amluto/libseccomp,seccomp/libseccomp