def setUp(self):
        class StubUI():

            release = None

            def hide_selector_info(self2):
                pass

            def hide_widget_on_top(self2):
                pass

            def status_info_message(self2, message):
                pass

            def show_maas_input(self2, *args):
                pass

            def status_openstack_rel(self2, text):
                self2.release = text

        ui = StubUI()
        self.controller = InstallController(ui=ui)