diff --git a/core/modules/taxonomy/src/Tests/RssTest.php b/core/modules/taxonomy/src/Tests/RssTest.php
index dd8b382..5f96072 100644
--- a/core/modules/taxonomy/src/Tests/RssTest.php
+++ b/core/modules/taxonomy/src/Tests/RssTest.php
@@ -42,8 +42,7 @@ class RssTest extends TaxonomyTestBase {
   protected function setUp() {
     parent::setUp();
 
-    $this->admin_user = $this->drupalCreateUser(array('administer taxonomy', 'bypass node access', 'administer content types', 'administer nodes', 'administer node display'));
-    $this->drupalLogin($this->admin_user);
+    $this->drupalLogin($this->drupalCreateUser(['administer taxonomy', 'bypass node access', 'administer content types', 'administer node display', 'administer nodes']));
     $this->vocabulary = $this->createVocabulary();
     $this->fieldName = 'taxonomy_' . $this->vocabulary->id();