def test_menos_3_2_(self):
     cal = Calculator()
     self.assertEqual(5, cal.resta(7, 2))
 def test_menos_3_2_(self):
     cal = Calculator()
     self.assertEqual(5, cal.resta(7, 2))
 def test_menos_2_2_(self):
     cal = Calculator()
     self.assertEqual(0, cal.resta(2, 2))
 def test_menos_2_2_(self):
     cal = Calculator()
     self.assertEqual(0, cal.resta(2, 2))