- testing "$i --help cat" "--help cat 2>&1 | grep prints" \
- "Concatenates FILE(s) and prints them to stdout.\n" "" ""
+ optional CAT
+ testing "" "$i cat" "moo" "" "moo"
+ testing "$i --help cat" "$i --help cat 2>&1 | grep print" \
+ "Concatenate FILEs and print them to stdout\n" "" ""
+ optional ""