new_contents: from queue import QueueItem
  from queue import Queue
  import pytest
  
  
  def test_enqueue():
      queue = Queue()
      queue.enqueue("Bacon")
      assert queue.size() == 1
  
  
  def test_enqueue_multi():
      queue = Queue()
      queue.enqueue("Bacon")
      queue.enqueue("Steak")
      queue.enqueue("Beer")
      assert queue.size() == 3
  
  
  def test_dequeue():
      pass
  
  
  def test_dequeue_multi():
      pass
  
  
  def test_size():
      pass
  
subject: Add test structure and tests for enqueue method