code: def test_one_arg_expanded_timestamp(self):
      millisecond_timestamp = 1591328104308
      microsecond_timestamp = 1591328104308505
  
      # Regression test for issue #796
      assert self.factory.get(
          millisecond_timestamp
      ) == datetime.utcfromtimestamp(1591328104.308).replace(
          tzinfo=tz.tzutc()
      )
      assert self.factory.get(
          microsecond_timestamp
      ) == datetime.utcfromtimestamp(1591328104.308505).replace(
          tzinfo=tz.tzutc()
      )
  
imports: import time
  from datetime import date, datetime
  from decimal import Decimal
  import pytest
  from dateutil import tz
  from arrow import Arrow
  from arrow.parser import ParserError
  from .utils import assert_datetime_equality
label_desc: Use image node_id 6 for calling the TestGet obj's underlying member method code with example usage: obj.test_one_arg_expanded_timestamp() without return types