chore(package): update babel-jest to version 22.0.1

Closes #13

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
     "lodash": "^4.17.4"
   },
   "devDependencies": {
-    "babel-jest": "21.2.0",
+    "babel-jest": "22.0.1",
     "babel-preset-env": "1.6.1",
     "babelify": "8.0.0",
     "check-node-version": "2.1.0",