def test_set_ID(self):
assignment_test = Assignment(1, (2020, 1, 1), (2050, 1, 1), 0)
assignment_test.assignment_ID(2)
self.assertEqual(assignment_test.assignment_ID(), 2)
def test_get_ID(self):
assignment_test = Assignment(1)
self.assertEqual(assignment_test.assignment_ID(), 1)
