def test_title_set_when_not_none_given(self):
        given_message = "given_message"

        diag = StackSelectorDialog(main_window=FakeMainWindowView(),
                                   title=given_message)

        self.assertEqual(given_message, diag.windowTitle())
    def test_title_not_set_when_none_given(self):
        diag = StackSelectorDialog(main_window=FakeMainWindowView(),
                                   title=None)

        self.assertEqual("", diag.windowTitle())