code: def test_import_file(self, tmp_dir, dvc, remote_version_aware):
      remote_version_aware.gen("file", "file")
      dvc.imp_url("remote://upstream/file", version_aware=True)
      stage = first(dvc.index.stages)
      assert not stage.outs[0].can_push
      assert (tmp_dir / "file").read_text() == "file"
      assert dvc.status() == {}
  
      orig_version_id = stage.deps[0].meta.version_id
      orig_def_path = stage.deps[0].def_path
  
      dvc.cache.local.clear()
      remove(tmp_dir / "file")
      dvc.pull()
      assert (tmp_dir / "file").read_text() == "file"
  
      (remote_version_aware / "file").write_text("modified")
      assert dvc.status().get("file.dvc") == [
          {
              "changed deps": {
                  "remote://upstream/file": "update available"
              }
          },
      ]
      dvc.update(str(tmp_dir / "file.dvc"))
      assert (tmp_dir / "file").read_text() == "modified"
      assert dvc.status() == {}
  
      stage = first(dvc.index.stages)
      assert orig_version_id != stage.deps[0].meta.version_id
      assert orig_def_path == stage.deps[0].def_path
  
      dvc.cache.local.clear()
      remove(tmp_dir / "file")
      dvc.pull()
      assert (tmp_dir / "file").read_text() == "modified"
  
imports: import os
  from typing import Dict, Union
  import pytest
  from funcy import first
  from dvc.exceptions import URLMissingError
  from dvc.repo import Repo
  from dvc.repo.ls_url import ls_url, parse_external_url
  from dvc.utils.fs import remove
label_desc: Use image node_id 1 for calling the TestImportURLVersionAware obj's underlying member method code with example usage: obj.test_import_file(tmp_dir, dvc, remote_version_aware) without return types