docs: def _create_sot_file(self):
          """Create Source of Truth file to compare."""
  
          # Bug on on NX-OS 6.2.16 where overwriting sot_file would take exceptionally long time
          # (over 12 minutes); so just delete the sot_file
          try:
              self._delete_file(filename="sot_file")
          except Exception:
              pass
          commands = [
              "terminal dont-ask",
              "checkpoint file sot_file",
              "no terminal dont-ask",
          ]
          self._send_command_list(commands)