David Cameron
--- a/core/tests/Drupal/FunctionalJavascriptTests/Core/MachineNameTest.php
+++ b/core/tests/Drupal/FunctionalJavascriptTests/Core/MachineNameTest.php
    $this->assertNotEmpty($machine_name_2_value, 'Machine name field 2 must be initialized');
    $this->assertNotEmpty($machine_name_3_value, 'Machine name field 3 must be initialized');

-    // Assert that a machine name based on a default value is initialized.
-    $this->assertJsCondition('jQuery("#edit-machine-name-3-label-machine-name-suffix .machine-name-value").html() == "yet_another_machine_name"');