void TEST_Acceleration(Vehicle& vehicle, double amount) //test accelereation
{ 
	double previousSpeed = vehicle.getCurrentSpeed();// return currentspeed this funciton
	if (vehicle.Accelarate(amount)) //currenspeed=amount this function
	{  
		cout << "SUCCESS : Accelerated " << endl; 

		cout << "Previous Speed : "<< previousSpeed <<" Current Speed : "<< vehicle.getCurrentSpeed() << endl; 
	} 
	else 
	{ 
		cout << "FAILURE : Could not accelerated" << endl; 
	} 
}