diff --git a/core/modules/filter/tests/src/Functional/FilterAdminTest.php b/core/modules/filter/tests/src/Functional/FilterAdminTest.php
index 9bfa677..46b4200 100644
--- a/core/modules/filter/tests/src/Functional/FilterAdminTest.php
+++ b/core/modules/filter/tests/src/Functional/FilterAdminTest.php
@@ -215,11 +215,11 @@ public function testFilterAdmin() {
 
     // Add an additional tag and extra spaces and returns.
     $edit = [];
-    $edit['filters[filter_html][settings][allowed_html]'] = "<a>   <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>\r\n<quote>";
+    $edit['filters[filter_html][settings][allowed_html_elements]'] = "<a>   <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>\r\n<quote>";
     $this->drupalPostForm('admin/config/content/formats/manage/' . $restricted, $edit, t('Save configuration'));
     $this->assertUrl('admin/config/content/formats');
     $this->drupalGet('admin/config/content/formats/manage/' . $restricted);
-    $this->assertFieldByName('filters[filter_html][settings][allowed_html]', "<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd> <quote>", 'Allowed HTML tag added.');
+    $this->assertFieldByName('filters[filter_html][settings][allowed_html_elements]', "<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd> <quote>", 'Allowed HTML tag added.');
 
     $elements = $this->xpath('//select[@name=:first]/following::select[@name=:second]', [
       ':first' => 'filters[' . $first_filter . '][weight]',
@@ -334,11 +334,11 @@ public function testFilterAdmin() {
     // Clean up.
     // Allowed tags.
     $edit = [];
-    $edit['filters[filter_html][settings][allowed_html]'] = '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>';
+    $edit['filters[filter_html][settings][allowed_html_elements]'] = '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>';
     $this->drupalPostForm('admin/config/content/formats/manage/' . $basic, $edit, t('Save configuration'));
     $this->assertUrl('admin/config/content/formats');
     $this->drupalGet('admin/config/content/formats/manage/' . $basic);
-    $this->assertFieldByName('filters[filter_html][settings][allowed_html]', $edit['filters[filter_html][settings][allowed_html]'], 'Changes reverted.');
+    $this->assertFieldByName('filters[filter_html][settings][allowed_html_elements]', $edit['filters[filter_html][settings][allowed_html_elements]'], 'Changes reverted.');
 
     // Full HTML.
     $edit = [];
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatResourceTestBase.php
index 3b451bb..66a771b 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatResourceTestBase.php
@@ -68,7 +68,7 @@ protected function getExpectedNormalizedEntity() {
           'status' => TRUE,
           'weight' => -10,
           'settings' => [
-            'allowed_html' => [
+            'allowed_html_elements' => [
               'p' => [],
               'a' => [],
               'b' => [],