diff --git a/core/tests/Drupal/KernelTests/Core/Common/DrupalSetMessageLoadsCssTest.php b/core/tests/Drupal/KernelTests/Core/Common/DrupalSetMessageLoadsCssTest.php
index 34eec75..5250978 100644
--- a/core/tests/Drupal/KernelTests/Core/Common/DrupalSetMessageLoadsCssTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Common/DrupalSetMessageLoadsCssTest.php
@@ -21,17 +21,16 @@ class DrupalSetMessageLoadsCssTest extends WebTestBase {
    *
    * @var string
    */
-  protected $profile = 'standard';
 
   /**
-   * Check that a page does not load message asserts when unrequired.
+   * Check that a page does not load message assets when unrequired.
    */
   public function testDrupalSetMessage() {
 
     // Get the frontpage.
     $this->drupalGet("<front>");
     // Check that message assets are loaded.
-    $this->assertRaw("message.css", "Message CSS assets should be loaded.")
+    $this->assertRaw("core/themes/classy/css/components/messages.css", "Message CSS assets should be loaded.")
 
     // Display a message.
     drupal_set_message(t('A message: @foo', ['@foo' => 'bar']));