function test_noReturnTo()
{
// will be a ProtocolError raised by Decode or CheckIDRequest.answer
$args = array('openid.mode' => 'zebradance', 'openid.identity' => 'http://wagu.unittest/');
$e = new Auth_OpenID_ServerError($args, "waffles");
$this->assertFalse($e->hasReturnTo());
$expected = "error:waffles\nmode:error\n";
$this->assertEquals($e->encodeToKVForm(), $expected);
}