Auth_OpenID_Message::getOpenIDNamespace PHP Method

    function getOpenIDNamespace()
    {
        return $this->_openid_ns_uri;
    }

 function test_answerImmediateDenyOpenID1()
 {
     $msg = new Auth_OpenID_Message(Auth_OpenID_OPENID1_NS);
     $this->request->message = $msg;
     $this->request->namespace = $msg->getOpenIDNamespace();
     $this->request->mode = 'checkid_immediate';
     $this->request->claimed_id = 'http://claimed-id.test/';
     $this->request->immediate = true;
     $server_url = "http://setup-url.unittest/";
     $answer = $this->request->answer(false, $server_url);
     $this->assertEquals($answer->request, $this->request);
     $this->assertEquals(count($answer->fields->toPostArgs()), 2);
     $this->assertEquals($answer->fields->getOpenIDNamespace(), Auth_OpenID_OPENID1_NS);
     $this->assertTrue($answer->fields->namespaces->isImplicit(Auth_OpenID_OPENID1_NS));
     $this->assertEquals($answer->fields->getArg(Auth_OpenID_OPENID_NS, 'mode'), 'id_res');
     $usu = $answer->fields->getArg(Auth_OpenID_OPENID_NS, 'user_setup_url');
     $this->assertTrue(strpos($usu, $server_url) == 0);
     $expected_substr = 'openid.claimed_id=http%3A%2F%2Fclaimed-id.test%2F';
     $this->assertTrue(strpos($usu, $expected_substr), $usu);
 }