Add integration tests for authenticate and userInfo

Author: samuelwei

composer.json

@@ -13,7 +13,9 @@
     "require-dev": {
         "phpunit/phpunit": "<10",
         "roave/security-advisories": "dev-latest",
-        "yoast/phpunit-polyfills": "^2.0"
+        "yoast/phpunit-polyfills": "^2.0",
+        "friendsofphp/php-cs-fixer": "^3.75",
+        "fakerphp/faker": "^1.24"
     },
     "archive" : {
         "exclude" : [