diff -u b/core/modules/block_content/tests/src/Functional/BlockContentListViewsTest.php b/core/modules/block_content/tests/src/Functional/BlockContentListViewsTest.php
--- b/core/modules/block_content/tests/src/Functional/BlockContentListViewsTest.php
+++ b/core/modules/block_content/tests/src/Functional/BlockContentListViewsTest.php
@@ -114,7 +114,7 @@
     $delete_text = t('Delete');
     $this->clickLink($delete_text);
     $this->assertSession()->statusCodeEquals(200);
-    $this->assertTitle("Are you sure you want to delete the custom block $new_label | Drupal");
+    $this->assertTitle("Are you sure you want to delete the custom block $new_label? | Drupal");
     $this->drupalPostForm(NULL, [], $delete_text);
 
     // Verify that the text of the label and machine name does not appear in
diff -u b/core/modules/content_translation/tests/src/Functional/Views/ContentTranslationViewsUITest.php b/core/modules/content_translation/tests/src/Functional/Views/ContentTranslationViewsUITest.php
--- b/core/modules/content_translation/tests/src/Functional/Views/ContentTranslationViewsUITest.php
+++ b/core/modules/content_translation/tests/src/Functional/Views/ContentTranslationViewsUITest.php
@@ -35,7 +35,7 @@
    */
   public function testViewsUI() {
     $this->drupalGet('admin/structure/views/view/test_view/edit');
-    $this->assertTitle('Test view (Views test data) | ' . $this->config('system.site')->get('name'));
+    $this->assertTitle('Test view (Views test data) | Drupal');
   }
 
 }
diff -u b/core/modules/image/tests/src/Functional/ImageAdminStylesTest.php b/core/modules/image/tests/src/Functional/ImageAdminStylesTest.php
--- b/core/modules/image/tests/src/Functional/ImageAdminStylesTest.php
+++ b/core/modules/image/tests/src/Functional/ImageAdminStylesTest.php
@@ -216,7 +216,7 @@
 
     // Check that the URL was updated.
     $this->drupalGet($style_path);
-    $this->assertTitle("Edit style  $style_label | Drupal");
+    $this->assertTitle("Edit style $style_label | Drupal");
 
     // Check that the available image effects are properly sorted.
     $option = $this->xpath('//select[@id=:id]//option', [':id' => 'edit-new--2']);
diff -u b/core/modules/search/tests/src/Functional/SearchPageTextTest.php b/core/modules/search/tests/src/Functional/SearchPageTextTest.php
--- b/core/modules/search/tests/src/Functional/SearchPageTextTest.php
+++ b/core/modules/search/tests/src/Functional/SearchPageTextTest.php
@@ -76,6 +76,7 @@
     $this->drupalPostForm('search/node', $edit, t('Search'));
     $this->assertText('search yielded no results');
     $this->assertText(t('Search'));
+    $title_source = 'Search for @keywords | Drupal';
     $title_source = 'Search for '.Unicode::truncate($search_terms, 60, TRUE, TRUE).' | Drupal';
     $this->assertTitle('Search for ' . Unicode::truncate($search_terms, 60, TRUE, TRUE) . ' | Drupal');
     $this->assertNoText('Node', 'Erroneous tab and breadcrumb text is not present');
diff -u b/core/modules/tracker/tests/src/Functional/TrackerTest.php b/core/modules/tracker/tests/src/Functional/TrackerTest.php
--- b/core/modules/tracker/tests/src/Functional/TrackerTest.php
+++ b/core/modules/tracker/tests/src/Functional/TrackerTest.php
@@ -212,7 +212,7 @@
     $this->assertNoLink($unpublished->label());
     // Verify that title and tab title have been set correctly.
     $this->assertText('Activity', 'The user activity tab has the name "Activity".');
-    $this->assertTitle($this->user->getAccountName() . ' | ' . $this->config('system.site')->get('name'));
+    $this->assertTitle($this->user->getAccountName() . ' | Drupal');
 
     // Verify that unpublished comments are removed from the tracker.
     $admin_user = $this->drupalCreateUser(['post comments', 'administer comments', 'access user profiles']);
diff -u b/core/modules/user/tests/src/Functional/UserPasswordResetTest.php b/core/modules/user/tests/src/Functional/UserPasswordResetTest.php
--- b/core/modules/user/tests/src/Functional/UserPasswordResetTest.php
+++ b/core/modules/user/tests/src/Functional/UserPasswordResetTest.php
@@ -110,7 +110,7 @@
     // Check successful login.
     $this->drupalPostForm(NULL, NULL, t('Log in'));
     $this->assertLink(t('Log out'));
-    $this->assertTitle($this->account->getAccountName() . ' | ' . $this->config('system.site')->get('name'));
+    $this->assertTitle($this->account->getAccountName() . ' | Drupal');
 
     // Change the forgotten password.
     $password = user_password();
@@ -189,7 +189,7 @@
     $reset_url = $this->getResetURL();
     $this->drupalGet($reset_url . '/login');
     $this->assertLink(t('Log out'));
-    $this->assertTitle($this->account->getAccountName() . ' | ' . $this->config('system.site')->get('name'));
+    $this->assertTitle($this->account->getAccountName() . ' | Drupal');
 
     // Ensure blocked and deleted accounts can't access the user.reset.login
     // route.
@@ -359,7 +359,7 @@
     $reset_url = $this->getResetURL();
     $this->drupalGet($reset_url . '/login');
     $this->assertLink(t('Log out'));
-    $this->assertTitle($this->account->getAccountName() . ' | ' . $this->config('system.site')->get('name'));
+    $this->assertTitle($this->account->getAccountName() . ' | Drupal');
     $this->drupalLogout();
 
     // The next request should *not* trigger flood control, since a successful
diff -u b/core/modules/views_ui/tests/src/Functional/DefaultViewsTest.php b/core/modules/views_ui/tests/src/Functional/DefaultViewsTest.php
--- b/core/modules/views_ui/tests/src/Functional/DefaultViewsTest.php
+++ b/core/modules/views_ui/tests/src/Functional/DefaultViewsTest.php
@@ -93,7 +93,7 @@
     $edit = [
       'id' => 'duplicate_of_glossary',
     ];
-    $this->assertTitle('Duplicate of Glossary | ' . $this->config('system.site')->get('name'));
+    $this->assertTitle('Duplicate of Glossary | Drupal');
     $this->drupalPostForm(NULL, $edit, t('Duplicate'));
     $this->assertUrl('admin/structure/views/view/duplicate_of_glossary', [], 'The normal duplicating name schema is applied.');