Merge pull request #78 from JetBrains/mocha-5.0.0-119.0.1

Update mocha in / from 4.1.0 to 5.0.0

Author: Hypnosphi

package-lock.json

@@ -140,7 +140,7 @@
     "karma-webpack": "2.0.9",
     "lerna": "^2.7.1",
     "lint-staged": "6.0.0",
-    "mocha": "4.1.0",
+    "mocha": "5.0.0",
     "react": "16.2.0",
     "react-dom": "16.2.0",
     "react-github-corner": "^2.1.0",