handle printing of the PASS/FAIL messages. Suffix PASS/FAIL/FATAL with the
string (in $directory) where $directory is ${.CURDIR} from make(1), to
make it easier to use grep(1) and a bit of sed/awk to do statistics of
failure for some utilities over time, etc.
to handle the ones which output to stdout and have output in regress.$test.out,
etc. More freeform macros should and will be written, but these are the most
prominent and most straightforward sort of tests we have around, so it makes
sense to try to accomodate them.
