code: def test_create_dummy_object(self):
      dummy_constant = create_dummy_object("CONSTANT", "'torch'")
      self.assertEqual(dummy_constant, "\nCONSTANT = None\n")
  
      dummy_function = create_dummy_object("function", "'torch'")
      self.assertEqual(
          dummy_function,
          "\ndef function(*args, **kwargs):\n    requires_backends(function, 'torch')\n",
      )
  
      expected_dummy_class = """
  class FakeClass(metaclass=DummyObject):
      _backends = 'torch'
  
      def __init__(self, *args, **kwargs):
          requires_backends(self, 'torch')
  
      @classmethod
      def from_config(cls, *args, **kwargs):
          requires_backends(cls, 'torch')
  
      @classmethod
      def from_pretrained(cls, *args, **kwargs):
          requires_backends(cls, 'torch')
  """
      dummy_class = create_dummy_object("FakeClass", "'torch'")
      self.assertEqual(dummy_class, expected_dummy_class)
  
file_path: diffusers/tests/others/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 3 for calling the CheckDummiesTester obj's underlying member method code with example usage: obj.test_create_dummy_object() without return types