diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php
index b320e26..d7869f7 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php
@@ -308,16 +308,15 @@ function testUrlFilterAdmin() {
   public function testFilterAdminClearsFilterCache() {
     $restricted = 'restricted_html';
     $original_markup = '<h4>Small headers</h4> small headers are <em>allowed</em> in restricted html by default';
-    $clean_markup = 'Small headers small headers are <em>allowed</em> in restricted html by default';
 
     // Check that the filter cache is empty for the test markup.
-    $cid = $this->computeFilterCacheId($original_markup, $restricted);
+    $cid = $this->computeFilterCacheId($original_markup, $restricted, '', TRUE);
     $this->assertFalse(\Drupal::cache('filter')->get($cid));
 
     // Check that the filter cache gets populated when check_markup is called.
-    $actual_markup = check_markup($original_markup, $restricted);
+    $actual_markup = check_markup($original_markup, $restricted, '', TRUE);
     $this->assertTrue(\Drupal::cache('filter')->get($cid));
-    $this->assertEqual($actual_markup, $original_markup);
+    $this->assertIdentical(strpos($actual_markup, '<h4>'), 0, 'The h4 tag is present in the resulting markup');
 
     // Edit the restricted filter format.
     $edit = array();
@@ -332,8 +331,8 @@ public function testFilterAdminClearsFilterCache() {
 
     // Check that after changind the filter, the changes are reflected in the
     // filtered markup.
-    $actual_markup = check_markup($original_markup, $restricted);
-    $this->assertEqual($actual_markup, $clean_markup);
+    $actual_markup = check_markup($original_markup, $restricted, '', TRUE);
+    $this->assertIdentical(strpos($actual_markup, '<h4>'), FALSE, 'The h4 tag is not present in the resulting markup');
   }