code: def testExpandsUserForMultipleDirectories(self):
      # USERPROFILE is used for simulating Python 3.8 on Windows.
      old_home = os.environ.get("HOME", None)
      old_userprofile = os.environ.get("USERPROFILE", None)
      try:
          test_home_directory = "/usr/eliza"
          os.environ["HOME"] = test_home_directory
          self.assertPlatformSpecificLogdirParsing(
              posixpath,
              "a:~/lol,b:~/cat",
              {"/usr/eliza/lol": "a", "/usr/eliza/cat": "b"},
          )
          test_home_directory = r"C:\Users\eliza"
          os.environ["HOME"] = test_home_directory
          os.environ["USERPROFILE"] = test_home_directory
          self.assertPlatformSpecificLogdirParsing(
              ntpath,
              r"aa:~\lol,bb:~\cat",
              {
                  r"C:\Users\eliza\lol": "aa",
                  r"C:\Users\eliza\cat": "bb",
              },
          )
      finally:
          if old_home is not None:
              os.environ["HOME"] = old_home
          if old_userprofile is not None:
              os.environ["USERPROFILE"] = old_userprofile
  
imports: import ntpath
  import os
  import posixpath
  import time
  from unittest import mock
  from tensorboard import test
  from tensorboard.backend.event_processing import data_ingester
  from tensorboard.compat import tf
label_desc: Use image node_id 6 for calling the ParseEventFilesSpecTest obj's underlying member method code with example usage: obj.testExpandsUserForMultipleDirectories() without return types