diff --git a/tests/TestCase.php b/tests/TestCase.php
index 5f7a710..fd4a214 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -11,20 +11,16 @@ class TestCase extends Orchestra
     protected function setUp(): void
     {
         parent::setUp();
-
-        Factory::guessFactoryNamesUsing(
-            fn (string $modelName) => 'Ziming\\LaravelEmailSniperLink\\Database\\Factories\\'.class_basename($modelName).'Factory'
-        );
     }
 
-    protected function getPackageProviders($app)
+    protected function getPackageProviders($app): array
     {
         return [
             LaravelEmailSniperLinkServiceProvider::class,
         ];
     }
 
-    public function getEnvironmentSetUp($app)
+    public function getEnvironmentSetUp($app): void
     {
         config()->set('database.default', 'testing');