feat: fix test

Author: tdejager

recipes/jpm/tests/test_new_project.sh

@@ -11,7 +11,7 @@ cat <<'EOF' > project.janet
   :version "0.1.0")
 
 (rule "build/ok.txt" []
-  (spit $out "ok"))
+  (spit "build/ok.txt" "ok"))
 
 (task "build" ["build/ok.txt"])
 EOF