chore(package): update karma-mocha to version 2.0.1

Closes #41

Author: greenkeeper[bot]

packages/core/package.json

@@ -53,7 +53,7 @@
     "karma-chai-plugins": "^0.9.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "^1.1.0",
-    "karma-mocha": "^1.3.0",
+    "karma-mocha": "^2.0.1",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-sauce-launcher": "^2.0.2",
     "karma-sourcemap-loader": "^0.3.7",