chore(package): update mocha to version 3.5.0

Author: greenkeeper[bot]

package.json

@@ -41,7 +41,7 @@
     "karma-sauce-launcher": "1.1.0",
     "karma-sourcemap-loader": "0.3.7",
     "karma-webpack": "2.0.4",
-    "mocha": "3.4.2",
+    "mocha": "3.5.0",
     "phantomjs-prebuilt": "2.1.14",
     "semver": "5.3.0",
     "should": "11.2.1",