Mocha v3

package.json

@@ -74,7 +74,7 @@
     "coveralls": "^2.11.8",
     "eslint": "^3.4.0",
     "istanbul": "^0.4.2",
-    "mocha": "^2.4.5",
+    "mocha": "^3.1.2",
     "mocha-lcov-reporter": "^1.2.0",
     "object-merge": "^2.5.1",
     "read-yaml": "^1.0.0",