def test_assignment_due_date_set(self):
assignment = Assignment(0)
assignment.assignment_due_date((2020, 1, 1))
self.assertEqual(assignment.assignment_due_date(), (2020, 1, 1))
def test_assignment_due_date(self):
assignment = Assignment(0)
self.assertEqual(assignment.assignment_due_date(), (2000, 1, 1))