code: def test_get_git_environ_adjusted():
      gitrunner = GitWitlessRunner()
      env = {
          "GIT_DIR": "../../.git",
          "GIT_WORK_TREE": "../../",
          "TEST_VAR": "Exists",
      }
  
      # test conversion of relevant env vars from relative_path to correct absolute_path
      adj_env = gitrunner.get_git_environ_adjusted(env)
      assert_equal(adj_env["GIT_DIR"], abspath(env["GIT_DIR"]))
      assert_equal(
          adj_env["GIT_WORK_TREE"], abspath(env["GIT_WORK_TREE"])
      )
  
      # test if other environment variables passed to function returned unaltered
      assert_equal(adj_env["TEST_VAR"], env["TEST_VAR"])
  
      # test import of sys_env if no environment passed to function
      with patch.dict("os.environ", {"BOGUS": "123"}):
          sys_env = gitrunner.get_git_environ_adjusted()
          assert_equal(sys_env["BOGUS"], "123")
  
imports: import glob
  import logging
  import os
  import os.path
  import sys
  from time import sleep
  from unittest.mock import patch
  from datalad.api import Dataset
  from datalad.cmd import GitWitlessRunner, KillOutput, StdOutErrCapture, WitlessRunner
  from datalad.support.exceptions import CommandError
  from ...consts import ARCHIVES_SPECIAL_REMOTE
  from ...support.annexrepo import AnnexRepo
  from ...tests.test_archives import fn_archive_obscure, fn_archive_obscure_ext, fn_in_archive_obscure
  from ...tests.utils_pytest import abspath, assert_equal, assert_false, assert_not_equal, assert_not_in, assert_raises, assert_true, chpwd, eq_, in_, known_failure_githubci_win, ok_, serve_path_via_http, swallow_logs, with_tempfile, with_tree
  from ...utils import unlink
  from ..archives import ArchiveAnnexCustomRemote, link_file_load
label_desc: Use image node_id 3 for calling a global function with example usage: test_get_git_environ_adjusted() without return types