public function setUp()
{
parent::setUp();
add_filter('wp_die_ajax_handler', array($this, 'getDieHandler'), 1, 1);
set_current_screen('ajax');
// Clear logout cookies
add_action('clear_auth_cookie', array($this, 'logout'));
// Suppress warnings from "Cannot modify header information - headers already sent by"
$this->_error_level = error_reporting();
error_reporting($this->_error_level & ~E_WARNING);
// Make some posts
self::factory()->post->create_many(5);
}