code: def test_one_arg_datetime(self):
      dt = datetime.utcnow().replace(tzinfo=tz.tzutc())
  
      assert self.factory.get(dt) == dt
  
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 9 for calling the TestGet obj's underlying member method code with example usage: obj.test_one_arg_datetime() without return types