use npx

Author: ds300

integration-tests/happy-path-npm/happy-path-npm.sh

@@ -10,7 +10,7 @@ echo "Add left-pad"
 npm i left-pad@1.1.3
 
 echo "replace pad with yarn in left-pad/index.js"
-replace pad npm node_modules/left-pad/index.js
+npx replace pad npm node_modules/left-pad/index.js
 
 echo "SNAPSHOT: making patch"
 npx patch-package left-pad