Issue #3238915: Refactor (if feasible) uses of the jQuery ready function to use VanillaJS

core/modules/filter/tests/src/Kernel/TextFormatElementFormTest.php

@@ -132,13 +132,4 @@ public function testTextFormatElement() {
     $this->assertNoPattern('|<h4[^>]*></h4>|', 'No empty H4 element found.');
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  protected function getUrl() {
-    // \Drupal\simpletest\AssertContentTrait needs this for ::assertFieldByName
-    // to work.
-    return 'Internal rendering';
-  }
-
 }