test: change coding style

Author: kenjis

tests/system/Validation/ValidationTest.php

@@ -231,22 +231,20 @@ public function testClosureRule(): void
 
     public function testClosureRuleWithParamError(): void
     {
-        $this->validation->setRules(
-            [
-                'foo' => [
-                    'required',
-                    static function ($value, $data, &$error, $field) {
-                        if ($value !== 'abc') {
-                            $error = 'The ' . $field . ' value is not "abc"';
+        $this->validation->setRules([
+            'foo' => [
+                'required',
+                static function ($value, $data, &$error, $field) {
+                    if ($value !== 'abc') {
+                        $error = 'The ' . $field . ' value is not "abc"';
 
-                            return false;
-                        }
+                        return false;
+                    }
 
-                        return true;
-                    },
-                ],
+                    return true;
+                },
             ],
-        );
+        ]);
 
         $data   = ['foo' => 'xyz'];
         $return = $this->validation->run($data);