diff --git a/core/modules/file/tests/src/Kernel/FileUrlTest.php b/core/modules/file/tests/src/Kernel/FileUrlTest.php
index 9c11e61557..832b3db83c 100644
--- a/core/modules/file/tests/src/Kernel/FileUrlTest.php
+++ b/core/modules/file/tests/src/Kernel/FileUrlTest.php
@@ -12,10 +12,9 @@
 class FileUrlTest extends FileManagedUnitTestBase {
 
   /**
-   * Test file_create_url().
+   * Test public files with a different host name from settings.
    */
-  public function testFileCreateUrl() {
-    // Test public files with a different host name from settings.
+  public function testFilesUrlWithDifferentHostName() {
     $test_base_url = 'http://www.example.com/cdn';
     $this->settingsSet('file_public_base_url', $test_base_url);
     $filepath = file_create_filename('test.txt', '');
@@ -24,15 +23,15 @@ public function testFileCreateUrl() {
     $file = $this->createFile($filepath, NULL, 'public');
     $url = file_create_url($file->getFileUri());
     $expected_url = $test_base_url . '/' . basename($filepath);
-    $this->assertEqual($url, $expected_url);
+    $this->assertSame($url, $expected_url);
   }
 
   /**
    * Changes in memory settings.
    *
-   * @param $name
+   * @param string $name
    *   The name of the setting to return.
-   * @param $value
+   * @param string $value
    *   The value of the setting.
    *
    * @see \Drupal\Core\Site\Settings::get()