auto build on pnpm start and test

Author: habdelra

test-app/package.json

@@ -17,7 +17,9 @@
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --noEmit",
+    "prestart": "pnpm --dir ../test-addon-to-import build",
     "start": "ember serve",
+    "pretest": "pnpm --dir ../test-addon-to-import build",
     "test": "concurrently \"npm:lint\" \"npm:test:*\" --names \"lint,test:\"",
     "test:ember": "ember test"
   },