qa/check.callback.sample: make sure pmlogger failures are reported
qa/check.callback.sample: make sure pmlogger failures are reported

Logic error failed to report details when test 870 fails twice and
output is the same both times.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp