keyDown example

    $this->assertIsInt($form_display->getComponent($field_name)['settings']['size']);
    $form_display->save();
    $this->assertIsInt($form_display->getComponent($field_name)['settings']['size']);

    // Visit the node add page.     $this->drupalGet('node/add/page');
    $page = $this->getSession()->getPage();
    $assert_session = $this->assertSession();

    $autocomplete_field = $assert_session->waitForElement('css', '[name="' . $field_name . '[0][target_id]"].ui-autocomplete-input');
    $autocomplete_field->setValue('Test');
    $this->getSession()->getDriver()->keyDown($autocomplete_field->getXpath(), ' ');
    $assert_session->waitOnAutocomplete();

    $results = $page->findAll('css', '.ui-autocomplete li');

    $this->assertCount(2, $results);
    $assert_session->pageTextContains('Test page');
    $assert_session->pageTextContains('Page test');

    // Now switch the autocomplete widget to the 'STARTS_WITH' match operator.     $display_repository->getFormDisplay('node', 'page')
      ->setComponent($field_name, [
        

  protected function moveBlockWithKeyboard($direction, $block_label, array $updated_blocks) {
    $keys = [
      'up' => 38,
      'down' => 40,
    ];
    $key = $keys[$direction];
    $handle = $this->findRowHandle($block_label);

    $handle->keyDown($key);
    $handle->keyUp($key);

    $handle->blur();
    $this->assertBlockTable($updated_blocks);
  }

  /** * Finds the row handle for a block in the draggable table. * * @param string $block_label * The block label. * * @return \Behat\Mink\Element\NodeElement * The row handle element. */

if (!isset($keys[$arrow])) {
      throw new \InvalidArgumentException('The arrow parameter must be one of "left", "right", "up" or "down".');
    }

    $key = $keys[$arrow];

    $handle = $row->find('css', 'a.tabledrag-handle');
    $handle->focus();

    for ($i = 0; $i < $repeat; $i++) {
      $this->markRowHandleForDragging($handle);
      $handle->keyDown($key);
      $handle->keyUp($key);
      $this->waitUntilDraggingCompleted($handle);
    }

    $handle->blur();
  }

  /** * Marks a row handle for dragging. * * The handle is marked by adding a css class that is removed by an helper * js library once the dragging is over. * * @param \Behat\Mink\Element\NodeElement $handle * The draggable row handle element. * * @throws \Exception * Thrown when the class is not added successfully to the handle. */