code: def test_create_dummy_files(self):
      expected_dummy_pytorch_file = """# This file is autogenerated by the command `make fix-copies`, do not edit.
  # flake8: noqa
  from ..utils import DummyObject, requires_backends
  
  
  CONSTANT = None
  
  
  def function(*args, **kwargs):
      requires_backends(function, ["torch"])
  
  
  class FakeClass(metaclass=DummyObject):
      _backends = ["torch"]
  
      def __init__(self, *args, **kwargs):
          requires_backends(self, ["torch"])
  """
      dummy_files = create_dummy_files(
          {"torch": ["CONSTANT", "function", "FakeClass"]}
      )
      self.assertEqual(
          dummy_files["torch"], expected_dummy_pytorch_file
      )
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/tests/repo_utils/test_check_dummies.py
imports: import os
  import sys
  import unittest
  import check_dummies
  from check_dummies import create_dummy_files, create_dummy_object, find_backend, read_init
label_desc: Use image node_id 4 for calling the CheckDummiesTester obj's underlying member method code with example usage: obj.test_create_dummy_files() without return types