diff --git a/core/modules/filter/src/Tests/TextFormatElementFormTest.php b/core/modules/filter/src/Tests/TextFormatElementFormTest.php
index d317db8..3a6a1cb 100644
--- a/core/modules/filter/src/Tests/TextFormatElementFormTest.php
+++ b/core/modules/filter/src/Tests/TextFormatElementFormTest.php
@@ -117,6 +117,10 @@ public function testTextFormatElement() {
     $output = $this->render($form);
     $this->setRawContent($output);
     $this->assertFieldByName('textformat[value]');
+    $this->assertRaw('<h4 class="label">Full HTML</h4>');
+    $this->assertRaw('<h4 class="label">Filtered HTML</h4>');
+    $this->assertRaw('<h4 class="label">Test format</h4>');
+    $this->assertNoPattern('|<h4[^>]*></h4>|', 'Title in the H4 element is not found.');
   }
 
   /**