Add ValidationMiddleware Test.

Author: 杨柳

tests/Stub/DemoController.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://doc.hyperf.io
+ * @contact  [email protected]
+ * @license  https://github.com/hyperf-cloud/hyperf/blob/master/LICENSE
+ */
+
+namespace HyperfTest\Validation\Cases\Stub;
+
+class DemoController
+{
+    public function signUp(DemoRequest $request)
+    {
+        return $request->all();
+    }
+
+    public function signIn(DemoRequest $request)
+    {
+        return $request->all();
+    }
+
+    public function signOut(DemoRequest $request)
+    {
+        return $request->all();
+    }
+}