public function testExpunge()
{
$server = Static::getServer();
$message = $server->getMessageByUid(12);
$this->assertInstanceOf('\\Fetch\\Message', $message, 'Message exists');
$message->delete();
$this->assertInstanceOf('\\Fetch\\Message', $server->getMessageByUid(12), 'Message still present after being deleted but before being expunged.');
$server->expunge();
$this->assertFalse($server->getMessageByUid(12), 'Message successfully expunged');
}
