fix tests

Author: overtrue

composer.json

@@ -10,7 +10,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^10.0",
-        "orchestra/testbench": "^9.0",
+        "orchestra/testbench": "^8.21",
         "mockery/mockery": "^1.4",
         "laravel/pint": "^1.5",
         "brainmaestro/composer-git-hooks": "dev-master"