def testDelete(self):
     p = PassengersRepo()
     p.addPassenger(Passengers('Ion','Popescu',340))
     p.deleteLastPassenger()
     self.assertEqual(p.lenPassengers(), 0)
 def testadd(self):
     p = PassengersRepo()
     p.addPassenger(Passengers('Ion','Popescu',340))
     self.assertEqual(p.lenPassengers(), 1)