code: def test_no_loader_but_spec(self):
      loader = object()
      name = "hello"
      path = "hello.py"
      spec = machinery.ModuleSpec(name, loader)
      ns = {"__spec__": spec}
      _bootstrap_external._fix_up_module(ns, name, path)
  
      expected = {
          "__spec__": spec,
          "__loader__": loader,
          "__file__": path,
          "__cached__": None,
      }
      self.assertEqual(ns, expected)
  
imports: from importlib import _bootstrap_external, machinery
  import os.path
  from types import ModuleType, SimpleNamespace
  import unittest
  import warnings
  from ..None import util
label_desc: Use image node_id 1 for calling the FixUpModuleTests obj's underlying member method code with example usage: obj.test_no_loader_but_spec() without return types