diff -u b/core/modules/field_ui/tests/src/Functional/ManageFieldsFunctionalTest.php b/core/modules/field_ui/tests/src/Functional/ManageFieldsFunctionalTest.php
--- b/core/modules/field_ui/tests/src/Functional/ManageFieldsFunctionalTest.php
+++ b/core/modules/field_ui/tests/src/Functional/ManageFieldsFunctionalTest.php
@@ -426,7 +426,7 @@
     // Create a valid field.
     $this->fieldUIAddNewField('admin/structure/types/manage/' . $this->contentType, $this->fieldNameInput, $this->fieldLabel);
     $this->drupalGet('admin/structure/types/manage/' . $this->contentType . '/fields/node.' . $this->contentType . '.' . $field_prefix . $this->fieldNameInput);
-    $this->assertText($this->fieldLabel . ' settings for ' . $this->contentType);
+    $this->assertSession()->pageTextContains($this->fieldLabel . ' settings for ' . $this->contentType);
   }
 
   /**
only in patch2:
unchanged:
--- a/core/modules/tracker/tests/src/Functional/TrackerNodeAccessTest.php
+++ b/core/modules/tracker/tests/src/Functional/TrackerNodeAccessTest.php
@@ -6,6 +6,7 @@
 use Drupal\comment\Tests\CommentTestTrait;
 use Drupal\node\Entity\NodeType;
 use Drupal\Tests\BrowserTestBase;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 
 /**
  * Tests for private node access on /tracker.
@@ -15,6 +16,7 @@
 class TrackerNodeAccessTest extends BrowserTestBase {
 
   use CommentTestTrait;
+  use StringTranslationTrait;
 
   /**
    * Modules to enable.
@@ -59,30 +61,30 @@ public function testTrackerNodeAccess() {
 
     // Create some nodes.
     $private_node = $this->drupalCreateNode([
-      'title' => t('Private node test'),
+      'title' => $this->t('Private node test'),
       'private' => TRUE,
     ]);
     $public_node = $this->drupalCreateNode([
-      'title' => t('Public node test'),
+      'title' => $this->t('Public node test'),
       'private' => FALSE,
     ]);
 
     // User with access should see both nodes created.
     $this->drupalGet('activity');
-    $this->assertText($private_node->getTitle(), 'Private node is visible to user with private access.');
-    $this->assertText($public_node->getTitle(), 'Public node is visible to user with private access.');
+    $this->assertText($private_node->getTitle(), $this->t('Private node is visible to user with private access.'));
+    $this->assertText($public_node->getTitle(), $this->t('Public node is visible to user with private access.'));
     $this->drupalGet('user/' . $access_user->id() . '/activity');
-    $this->assertText($private_node->getTitle(), 'Private node is visible to user with private access.');
-    $this->assertText($public_node->getTitle(), 'Public node is visible to user with private access.');
+    $this->assertText($private_node->getTitle(), $this->t('Private node is visible to user with private access.'));
+    $this->assertText($public_node->getTitle(), $this->t('Public node is visible to user with private access.'));
 
     // User without access should not see private node.
     $this->drupalLogin($no_access_user);
     $this->drupalGet('activity');
-    $this->assertNoText($private_node->getTitle(), 'Private node is not visible to user without private access.');
-    $this->assertText($public_node->getTitle(), 'Public node is visible to user without private access.');
+    $this->assertNoText($private_node->getTitle(), $this->t('Private node is not visible to user without private access.'));
+    $this->assertText($public_node->getTitle(), $this->t('Public node is visible to user without private access.'));
     $this->drupalGet('user/' . $access_user->id() . '/activity');
-    $this->assertNoText($private_node->getTitle(), 'Private node is not visible to user without private access.');
-    $this->assertText($public_node->getTitle(), 'Public node is visible to user without private access.');
+    $this->assertNoText($private_node->getTitle(), $this->t('Private node is not visible to user without private access.'));
+    $this->assertText($public_node->getTitle(), $this->t('Public node is visible to user without private access.'));
   }
 
 }