Update test scripts in package json

Author: cmalonzo

libraries/npm-check-fork/package.json

@@ -13,6 +13,7 @@
   "license": "MIT",
   "scripts": {
     "build": "heft build --clean",
+    "test": "heft test --clean",
     "_phase:build": "heft run --only build -- --clean",
     "_phase:test": "heft run --only test -- --clean"
   },