AT_CHECK([diff log_file stderr_log])
AT_CHECK([sed -e 's/.* .* ..:..:..|//' \
--e 's/File "[[^"]]*", line [[0-9]][[0-9]]*,/File <name>, line <number>,/' \
+-e 's/File ".*", line [[0-9]][[0-9]]*,/File <name>, line <number>,/' \
stderr_log], [0], [dnl
0|module_0|EMER|emergency
1|module_0|ERR|error