Merge pull request #36 from pine/greenkeeper/mocha-6.0.0

Update mocha to the latest version 🚀

Author: pine

package.json

@@ -28,7 +28,7 @@
     "karma-sauce-launcher": "^1.2.0",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "4.0.0-rc.3",
-    "mocha": "^5.0.0",
+    "mocha": "^6.0.0",
     "npm-run-all": "^4.1.2",
     "text-encoding": "^0.7.0",
     "webpack": "4.28.4",