def test_invalid_age(self):
        """Tests that an invalid age forces an exception."""
        age = -40
        year = datetime.datetime.now().year - age

        with self.assertRaises(task_02.InvalidAgeError):
            returned = task_02.get_age(year)
    def test_invalid_age(self):
        """Tests that an invalid age forces an exception."""
        age = -40
        year = datetime.datetime.now().year - age

        with self.assertRaises(task_02.InvalidAgeError):
            returned = task_02.get_age(year)
 def test_valid_age(self):
     """Tests that the valid age is returned."""
     age = 40
     year = datetime.datetime.now().year - age
     returned = task_02.get_age(year)
     self.assertEqual(returned, age)
 def test_valid_age(self):
     """Tests that the valid age is returned."""
     age = 40
     year = datetime.datetime.now().year - age
     returned = task_02.get_age(year)
     self.assertEqual(returned, age)