add tests for auth closes connor11528#1

Author: Connor Leech

composer.json

@@ -11,8 +11,9 @@
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",
+        "laravel/browser-kit-testing": "^4.0",
         "mockery/mockery": "0.9.*",
-        "phpunit/phpunit": "~6.0"
+        "phpunit/phpunit": "^7.1"
     },
     "autoload": {
         "classmap": [