def METHOD_NAME(self, mocked_plot, mocked_items: Mock):
    self.send_signal(self.widget.Inputs.topics, None)
    self.wait_until_finished()
    self.widget.send_report()
    mocked_items.assert_called_once()
    mocked_plot.assert_not_called()
    mocked_items.reset_mock()
    self.send_signal(self.widget.Inputs.topics, self.topics)
    self.wait_until_finished()
    self.widget.send_report()
    mocked_items.assert_called_once()
    mocked_plot. assert_called_once()