Generalize makefile

which is no longer working on macOS... 😕

Author: EricCrosson

Makefile

@@ -1,11 +1,11 @@
 # Written by Eric Crosson
 # 2017-03-12
 #
-# This makefile provides targets to test the provided project.
+# This makefile provides targets to test captain-hook.
 
 tests := $(wildcard test/*.sh)
 
 .PHONY: test
 
 test: $(tests)
-	$(tests)
+	@$(foreach test,$(tests),$(test);)