def test_making_queues(self):
    queue = [1, 2]
    queue.append('last')
    self.assertEqual([1, 2, 'last'], queue)
    popped_value = queue.pop(0)
    self.assertEqual(1, popped_value)
    self.assertEqual([2, 'last'], queue)
def test_making_queues(self):
    queue = [1, 2]
    queue.append('last')
    self.assertEqual([1, 2, 'last'], queue)
    popped_value = queue.pop(0)
    self.assertEqual(1, popped_value)
    self.assertEqual([2, 'last'], queue)