diff --git a/core/modules/config/tests/src/Functional/ConfigEntityFormOverrideTest.php b/core/modules/config/tests/src/Functional/ConfigEntityFormOverrideTest.php
index 2f48a7c..a4dc92c 100644
--- a/core/modules/config/tests/src/Functional/ConfigEntityFormOverrideTest.php
+++ b/core/modules/config/tests/src/Functional/ConfigEntityFormOverrideTest.php
@@ -46,7 +46,7 @@ public function testFormsWithOverrides() {
     // Test that the original label on the editing page is intact.
     $this->drupalGet('admin/structure/config_test/manage/dotted.default');
     $elements = $this->xpath('//input[@name="label"]');
-    $this->assertIdentical((string) $elements[0]->getValue(), $original_label);
+    $this->assertIdentical($elements[0]->getValue(), $original_label);
     $this->assertNoText($overridden_label);
 
     // Change to a new label and test that the listing now has the edited label.
@@ -61,7 +61,7 @@ public function testFormsWithOverrides() {
     // Test that the editing page now has the edited label.
     $this->drupalGet('admin/structure/config_test/manage/dotted.default');
     $elements = $this->xpath('//input[@name="label"]');
-    $this->assertIdentical((string) $elements[0]->getValue(), $edited_label);
+    $this->assertIdentical($elements[0]->getValue(), $edited_label);
 
     // Test that the overridden label is still loaded with the entity.
     $this->assertEqual($config_test_storage->load('dotted.default')->label(), $overridden_label);
diff --git a/core/modules/config/tests/src/Functional/ConfigFormOverrideTest.php b/core/modules/config/tests/src/Functional/ConfigFormOverrideTest.php
index 59276e3..3bba16d 100644
--- a/core/modules/config/tests/src/Functional/ConfigFormOverrideTest.php
+++ b/core/modules/config/tests/src/Functional/ConfigFormOverrideTest.php
@@ -32,7 +32,7 @@ public function testFormsWithOverrides() {
     $this->drupalGet('admin/config/system/site-information');
     $this->assertTitle('Basic site settings | ' . $overridden_name);
     $elements = $this->xpath('//input[@name="site_name"]');
-    $this->assertIdentical((string) $elements[0]->getValue(), 'Drupal');
+    $this->assertIdentical($elements[0]->getValue(), 'Drupal');
 
     // Submit the form and ensure the site name is not changed.
     $edit = [
@@ -41,7 +41,7 @@ public function testFormsWithOverrides() {
     $this->drupalPostForm('admin/config/system/site-information', $edit, t('Save configuration'));
     $this->assertTitle('Basic site settings | ' . $overridden_name);
     $elements = $this->xpath('//input[@name="site_name"]');
-    $this->assertIdentical((string) $elements[0]->getValue(), $edit['site_name']);
+    $this->assertIdentical($elements[0]->getValue(), $edit['site_name']);
   }
 
 }