chore(package): update grunt-mocha-test to version 0.13.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -54,7 +54,7 @@
     "mocha": "~3.0.2",
     "chai": "~3.5.0",
     "grunt": "~1.0.1",
-    "grunt-mocha-test": "~0.12.7",
+    "grunt-mocha-test": "~0.13.0",
     "grunt-contrib-watch": "~1.0.0",
     "grunt-node-gyp": "~3.1.0",
     "q": "~1.4.1"