def METHOD_NAME(self):
    """
    Test that pressing the forward button does something.
    """
    self.plot()
    self._control.BackwardButton.clicked.emit(True)
    self._control.BackwardButton.clicked.emit(True)
    self._control.ForwardButton.clicked.emit(True)
    self.assertEqual(int(self._control.TimeStepDisplay.text()), 4)
    self.assertEqual(float(self._control.TimeDisplay.text()), 7)
    self.assertImage('testBackwardButton_A.png')