use Drupal\KernelTests\KernelTestBase;
/**
- * Tests form validation mesages are displayed in the same order as the fields.
+ * Tests form validation messages are displayed in the same order as the fields.
*
* @group Form
*/
$form_builder = $this->container->get('form_builder');
$form_builder->submitForm($this, $form_state);
- $messages = drupal_get_messages();
+ $messages = \Drupal::messenger()->all();
+ \Drupal::messenger()->deleteAll();
$this->assertTrue(isset($messages['error']));
$error_messages = $messages['error'];
$this->assertEqual($error_messages[0], 'Three field is required.');