code: def test_test(self):
      self.assertEqual(self.type.test(None), True)
      self.assertEqual(self.type.test("N/A"), True)
      self.assertEqual(self.type.test(True), False)
      self.assertEqual(self.type.test("True"), False)
      self.assertEqual(self.type.test(1), False)
      self.assertEqual(self.type.test(Decimal("1")), False)
      self.assertEqual(self.type.test("2.7"), False)
      self.assertEqual(self.type.test(2.7), False)
      self.assertEqual(self.type.test("3/1/1994"), False)
      self.assertEqual(self.type.test(datetime.date(1994, 3, 1)), False)
      self.assertEqual(self.type.test("3/1/1994 12:30 PM"), False)
      self.assertEqual(self.type.test("2015-01-01 02:34"), False)
      self.assertEqual(
          self.type.test(datetime.datetime(1994, 3, 1, 12, 30)), False
      )
      self.assertEqual(self.type.test("4:10"), True)
      self.assertEqual(
          self.type.test(datetime.timedelta(hours=4, minutes=10)), True
      )
      self.assertEqual(self.type.test("a"), False)
      self.assertEqual(self.type.test("A\nB"), False)
      self.assertEqual(self.type.test("👍"), False)
      self.assertEqual(self.type.test("05_leslie3d_base"), False)
      self.assertEqual(self.type.test("2016-12-29"), False)
      self.assertEqual(self.type.test("2016-12-29T11:43:30Z"), False)
      self.assertEqual(
          self.type.test("2016-12-29T11:43:30+06:00"), False
      )
      self.assertEqual(
          self.type.test("2016-12-29T11:43:30-06:00"), False
      )
  
imports: import datetime
  import pickle
  import unittest
  from decimal import Decimal
  import parsedatetime
  from agate.data_types import Boolean, Date, DateTime, Number, Text, TimeDelta
  from agate.exceptions import CastError
label_desc: Use image node_id 2 for calling the TestTimeDelta obj's underlying member method code with example usage: obj.test_test() without return types