chore(package): update mocha to version 3.5.3

package.json

@@ -38,7 +38,7 @@
     "eslint-plugin-node": "~5.1.0",
     "eslint-plugin-promise": "~3.5.0",
     "eslint-plugin-standard": "~3.0.0",
-    "mocha": "~3.5.0",
+    "mocha": "~3.5.3",
     "nyc": "~11.2.0",
     "utf-8-validate": "~3.0.0"
   }