test: using .serverless_plugins ince file:../ doesnt work properly

Author: danielcondemarin

integration/app-with-serverless-offline/.serverless_plugins/serverless-nextjs-plugin.js

@@ -0,0 +1,2 @@
+const plugin = require('../../../index');
+module.exports = plugin;

integration/app-with-serverless-offline/package.json

@@ -7,8 +7,7 @@
   "author": "Daniel Conde <[email protected]>",
   "license": "ISC",
   "devDependencies": {
-    "serverless-offline": "^4.9.0",
-    "serverless-nextjs-plugin": "file:../../"
+    "serverless-offline": "^4.9.0"
   },
   "dependencies": {}
 }