public function testRemoveUser()
 {
     $User = unserialize(file_get_contents('user2.dat'));
     $a = array('RequestMethod' => 'RemoveUser', 'ID' => (string) $User->ID);
     $r = new HttpRequest($this->server_url, HttpRequest::METH_POST);
     $r->addPostFields($a);
     $r->send();
     $this->assertEquals(200, $r->getResponseCode());
     $GetUser = User::fromOSD($r->GetResponseBody());
 }