addet more tests..

test.sh

@@ -197,6 +197,18 @@ if setup-env; then
   # ─< package variable >───────────────────────────────────────────────────────────────────
   unset PACKAGE
 
+  if command_exists pen; then
+    pen green bold "Pen exists"
+  else
+    pen red bold "Pen does not exist"
+  fi
+
+  if command_exists spin; then
+    pen green bold "spin does exist"
+  else
+    pen red bold "spin doesn't exist"
+  fi
+
   # ─< argument list variables >────────────────────────────────────────────────────────────
   silent=false
 
@@ -211,5 +223,5 @@ if setup-env; then
     esac
   done
 
-  main
+  # main
 fi