chore(package): update unexpected to version 11.0.1

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
     "load-grunt-tasks": "^4.0.0",
     "mocha": "^5.0.0",
     "nyc": "^12.0.1",
-    "unexpected": "^10.13.3"
+    "unexpected": "^11.0.1"
   },
   "babel": {
     "presets": [