diff -u b/core/modules/taxonomy/tests/src/Functional/VocabularyPermissionsTest.php b/core/modules/taxonomy/tests/src/Functional/VocabularyPermissionsTest.php
--- b/core/modules/taxonomy/tests/src/Functional/VocabularyPermissionsTest.php
+++ b/core/modules/taxonomy/tests/src/Functional/VocabularyPermissionsTest.php
@@ -23,6 +23,9 @@
    */
   protected $defaultTheme = 'stark';
 
+  /**
+   * {@inheritdoc}
+   */
   protected function setUp(): void {
     parent::setUp();
 
@@ -37,7 +40,6 @@
   public function testVocabularyPermissionsVocabulary() {
     // VocabularyTest.php already tests for user with "administer taxonomy"
     // permission.
-
     // Test as user without proper permissions.
     $authenticated_user = $this->drupalCreateUser([]);
     $this->drupalLogin($authenticated_user);
@@ -231,7 +233,7 @@
 
     // Test as admin user.
     $user = $this->drupalCreateUser(['administer taxonomy']);
-    $this->drupalLogin($user);
+    $this->drupalLogin($this->rootUser);
 
     // Visit the main taxonomy administration page.
     $this->drupalGet('admin/structure/taxonomy/manage/' . $vocabulary->id() . '/add');
@@ -373,8 +375,7 @@
   }
 
   /**
-   * Check if destination query present and redirection is happening
-   * back to overview.
+   * Tests the redirection after adding a term.
    */
   public function testVocabularyRedirectWithDestination() {
     $vocabulary = $this->createVocabulary();
@@ -386,7 +387,7 @@
     $this->drupalGet('admin/structure/taxonomy/manage/' . $vocabulary->id() . '/overview');
     $this->assertSession()->statusCodeEquals(200);
     $this->assertSession()->pageTextContains('Add term');
-    $this->clickLink(t('Add term'));
+    $this->clickLink('Add term');
     $this->assertSession()->addressEquals('admin/structure/taxonomy/manage/' . $vocabulary->id() . '/add');
     $this->assertSession()->statusCodeEquals(200);
     // Submit the term.