chore(package): update lolex to version 6.0.0

Closes #1129

Author: greenkeeper[bot]

package.json

@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "jest": "^22.4.2",
-    "lolex": "^4.0.1",
+    "lolex": "^6.0.0",
     "nock": "^10.0.0",
     "prettier-standard-formatter": "^0.222222222222222.333333333333333",
     "simple-mock": "^0.8.0",