Previous to this commit, log messages were not being merged if tests
were resolved as failed (test-suite.sh ending with exit code != 0),
which can happen if at least one test failed.
Change-Id: If293fc2d3182ef2a7b997faa8b41129a9dd89c45
This is no longer needed as the fix for https://osmocom.org/issues/2718
has been merged to master of osmo-ttcn3-hacks
Change-Id: Ia0c1c134405fdbce1c65059d705827f1a643e774
Related: OS#2718