old_contents: from django.test import TestCase, Client
  
  c = Client()
  response = c.get('/officelunchorder/')
  response.status_code # 200
  response.content
  response = c.post('/officelunchorder/login/')
  response.status_code # 200
  response.content
  response = c.get('/officelunchorder/logout/')
  response.status_code # 200
  response.content
  response = c.get('/officelunchorder/orders/')
  response.status_code # 302 found
  response = c.get('/officelunchorder/new_order/')
  response.status_code # 302 found
  response = c.post('/officelunchorder/new_order/')
  response.status_code # 302 found
new_contents: from django.test import TestCase, Client
  
  c = Client()
  response = c.get('/officelunchorder/')
  response.status_code # 200
  response.content
  response = c.post('/officelunchorder/login/')
  response.status_code # 200
  response.content
  response = c.get('/officelunchorder/logout/')
  response.status_code # 200
  response.content
  response = c.get('/officelunchorder/orders/')
  response.status_code # 302 found
  response = c.get('/officelunchorder/new_order/')
  response.status_code # 302 found
  response = c.post('/officelunchorder/close_order/')
  print(response.status_code) # 302 found
subject: Test close_order url