code: def test_no_worktree_impact_false_deletions(path=None):
      ds = Dataset(path).create()
      # create a branch that has no new content
      ds.repo.call_git(["checkout", "-b", "test"])
      # place two successive commits with file additions into the default branch
      ds.repo.call_git(["checkout", DEFAULT_BRANCH])
      (ds.pathobj / "identical").write_text("should be")
      ds.save()
      (ds.pathobj / "new").write_text("yes")
      ds.save()
      # now perform a diff for the last commit, there is one file that remained
      # identifical
      ds.repo.call_git(["checkout", "test"])
      res = ds.diff(
          fr=DEFAULT_BRANCH + "~1",
          to=DEFAULT_BRANCH,
          result_renderer="disabled",
      )
      # under no circumstances can there be any reports on deleted files
      # because we never deleted anything
      assert_result_count(res, 0, state="deleted")
      # the identical file must be reported clean
      assert_result_count(
          res,
          1,
          state="clean",
          path=str(ds.pathobj / "identical"),
      )
  
imports: import os
  import os.path
  from unittest.mock import patch
  import datalad.utils
  from datalad.api import create, diff, save
  from datalad.cmd import GitWitlessRunner, StdOutCapture
  from datalad.consts import PRE_INIT_COMMIT_SHA
  from datalad.distribution.dataset import Dataset
  from datalad.support.exceptions import NoDatasetFound
  from datalad.tests.utils_pytest import DEFAULT_BRANCH, OBSCURE_FILENAME, SkipTest, assert_in, assert_raises, assert_repo_status, assert_result_count, assert_status, chpwd, create_tree, eq_, get_deeply_nested_structure, has_symlink_capability, known_failure_githubci_win, neq_, ok_, with_tempfile
  from datalad.utils import Path
label_desc: Use image node_id 10 for calling a global function with example usage: test_no_worktree_impact_false_deletions(path) without return types