chore(package): update supertest-as-promised to version 4.0.1

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -83,7 +83,7 @@
     "mocha": "3.1.2",
     "run-sequence": "^1.1.5",
     "supertest": "2.0.1",
-    "supertest-as-promised": "4.0.0",
+    "supertest-as-promised": "4.0.1",
     "validate-commit-msg": "^2.6.1"
   },
   "license": "MIT",