Update @freaktechnik/eslint-config-test to the latest version 🚀 (#9)

* chore(package): update @freaktechnik/eslint-config-test to version 6.0.0

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeper[bot]

package-lock.json

@@ -12,7 +12,7 @@
   "license": "MIT",
   "devDependencies": {
     "@freaktechnik/eslint-config-node": "^6.0.0",
-    "@freaktechnik/eslint-config-test": "^5.2.1",
+    "@freaktechnik/eslint-config-test": "^6.0.0",
     "ava": "^0.23.0",
     "codecov": "^3.0.0",
     "eslint": "^4.10.0",