Tests the language field.
public function testField() {
$view = views_get_view('test_view');
$view
->setDisplay();
$view->displayHandlers['default']
->overrideOption('fields', array(
'langcode' => array(
'id' => 'langcode',
'table' => 'views_test_data',
'field' => 'langcode',
),
));
$this
->executeView($view);
$this
->assertEqual($view->field['langcode']
->advanced_render($view->result[0]), 'English');
$this
->assertEqual($view->field['langcode']
->advanced_render($view->result[1]), 'Lolspeak');
}