def test_proxy_username_read_only(self):
     proxy_options = ProxyOptions(proxy_type=socks.HTTP, proxy_addr="127.0.0.1", proxy_port=8888)
     with pytest.raises(AttributeError):
         proxy_options.proxy_username = "******"
 def test_proxy_username_read_only(self, mocker):
     proxy_options = ProxyOptions(proxy_type=mocker.MagicMock(),
                                  proxy_addr="127.0.0.1",
                                  proxy_port=8888)
     with pytest.raises(AttributeError):
         proxy_options.proxy_username = "******"