def test_isGreater(self):
calc = Calculator()
result = calc.SumfromNumbers(2, 3)
expected = 5
self.assertGreaterEqual(result, expected)
def test_isCorrect(self):
calc = Calculator()
result = calc.SumfromNumbers(2, 3)
expected = 5
self.assertEqual(result, expected)
def test_isNegative(self):
calc = Calculator()
result = calc.SumfromNumbers(-4, 1)
expected = 0
self.assertLess(result, expected)
