chore(package): update mocha to version 3.5.0

Author: greenkeeper[bot]

package.json

@@ -68,7 +68,7 @@
     "husky": "0.14.3",
     "markdownlint-cli": "0.3.1",
     "material-ui": "0.18.7",
-    "mocha": "3.4.2",
+    "mocha": "3.5.0",
     "npm-run-all": "4.0.2",
     "nyc": "11.1.0",
     "react": "15.6.1",