/**
* Test method for the <tt>getPageId()</tt> and <tt>setPageId($pageId)</tt> functions.
*/
public function testGetSetPageId()
{
$notification = new Notification();
$this->assertNull($notification->getPageId());
$this->assertSame($notification, $notification->setPageId(15));
$this->assertEquals(15, $notification->getPageId());
}