code: def test_model_archiver_to_regenerate_model_mar_without_force():
      clean_mar_file("resnet-18.mar")
      response = create_resnet_archive("resnet-18", "1.0")
      response = create_resnet_archive("resnet-18", "1.0")
      try:
          assert (
              0 != response
          ), "Mar file couldn't be created.use -f option"
      finally:
          for f in glob.glob("resnet*.mar"):
              os.remove(f)
  
file_path: serve/test/pytest/test_model_archiver.py
imports: import subprocess
  import time
  import os
  import glob
  import requests
  import json
  import test_utils
label_desc: Use image node_id 8 for calling a global function with example usage: test_model_archiver_to_regenerate_model_mar_without_force() without return types