tests: bonsai/mm.mk, bonsai/intcmp.mk: updates for regression testing

tests/bonsai/mm.mk

@@ -5,13 +5,13 @@
 # permitted in any medium without royalty provided the copyright notice and this
 # notice are preserved.  This file is offered as-is, without any warranty.
 
-NAME = mm
-TARGET = $(NAME)_tests
-BINARY = $(BIN)/$(NAME)
-
 .PHONY: mm_tests
 mm_tests: mm_args mm_help mm_stderr
 
+.PHONY: mm_none
+mm_none: $(BIN)/mm
+	test "$$(printf 'meow\n' | $(BIN)/mm)" = meow
+
 .PHONY: mm_args
 # mm(1) will error if positional arguments are given without -i or -o
 mm_args: $(BIN)/mm
@@ -24,4 +24,4 @@ mm_help: $(BIN)/mm
 .PHONY: mm_stderr
 # check if stderr is empty upon specifying -e
 mm_stderr: $(BIN)/mm
-	! test "$$(printf 'test\n' | $(BIN)/mm -e 2>&1 >/dev/null)" = "test"
+	test "$$(printf 'test\n' | $(BIN)/mm -e 2>&1 >/dev/null )" = "test"