When a combination can't be selected, log the reason
treedf62d498b4a40c1ae72ea13d5623ad40f475a3fa
-rwxr-xr-x 3333 0test
-rw-r--r-- 1420 0test.xml
-rw-r--r-- 18007 COPYING
-rw-r--r-- 4230 reporting.py
-rw-r--r-- 4107 runner.py
-rwxr-xr-x 2440 test0test.py
-rw-r--r-- 1950 test_spec.py