Upgrade Jest

Author: captbaritone

package.json

@@ -47,7 +47,7 @@
     "eslint-config-prettier": "^2.0.0",
     "eslint-plugin-prettier": "^2.0.1",
     "eslint-plugin-react": "^7.0.1",
-    "jest": "^22.0.0",
+    "jest": "^23.5.0",
     "prettier": "^1.7.4",
     "raven-js": "^3.12.1",
     "react": "^16.0.0",