fix for Drupal 11.2

tests/src/Functional/JsonApiLinksFunctionalTest.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Drupal\Tests\jsonapi\Functional;
 
 use Drupal\jsonapi_links\Exception\JsonApiLinksException;
+use Drupal\user\Entity\User;
 
 /**
  * General functional test class.
@@ -57,18 +58,20 @@ class JsonApiLinksFunctionalTest extends JsonApiFunctionalTestBase {
   protected function setUp(): void {
     parent::setUp();
 
-    $admin_user = $this->drupalCreateUser([
-      'create article content',
-      'edit any article content',
-      'delete any article content',
-    ],
-      'jsonapi_admin_user',
-      TRUE,
-    );
-    if ($admin_user === FALSE) {
-      throw new JsonApiLinksException("Failed to create admin user!");
+    if (!($this->adminUser instanceof User)) {
+      $admin_user = $this->drupalCreateUser([
+        'create article content',
+        'edit any article content',
+        'delete any article content',
+      ],
+        'jsonapi_admin_user',
+        TRUE,
+      );
+      if ($admin_user === FALSE) {
+        throw new JsonApiLinksException("Failed to create admin user!");
+      }
+      $this->adminUser = $admin_user;
     }
-    $this->adminUser = $admin_user;
   }
 
   /**