code: def test_root_doesnt_exist(self):
      git_repo = GitRepo(root="/tmp/foo")
      assert (
          git_repo.repo is None and git_repo._repo_initialized is True
      )
  
file_path: wandb/tests/pytest_tests/unit_tests/test_lib/test_git.py
imports: from typing import Generator, Optional
  import git
  import pytest
  from wandb.sdk.lib.gitlib import GitRepo
label_desc: Use image node_id 11 for calling the TestGitRepo obj's underlying member method code with example usage: obj.test_root_doesnt_exist() without return types