def test_add(self):
calc = Calculation()
result = calc.add(3, 8)
self.assertEqual(result, 11)
def test_divide(self):
calc = Calculation()
result = calc.divide(12, 5)
self.assertEqual(result, 2)
def test_subtract(self):
calc = Calculation()
result = calc.subtract(7, 3)
self.assertEqual(result, 4)
def test_multiply(self):
calc = Calculation()
result = calc.multiply(12, 5)
self.assertEqual(result, 60)
def setUp(self):
self.calc = Calculation()
