public void UpdateCurrentValue_Overload_StopChargeCalled()
{
int overloadCurrent = 750;
_chargerUsb = Substitute.For <IUsbCharger>();
_display = Substitute.For <IDisplay>();
ChargeControl uut = new ChargeControl(_chargerUsb, _display);
uut.UpdateCurrentCalue(overloadCurrent);
_chargerUsb.Received().StopCharge();
}