code: def test_td_constructor_on_nanoseconds(constructed_td, conversion):
      # GH#9273
      assert constructed_td == Timedelta(conversion)
  
imports: from datetime import timedelta
  from itertools import product
  import numpy
  import pytest
  from pandas._libs.tslibs import OutOfBoundsTimedelta
  from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
  from pandas import Index, NaT, Timedelta, TimedeltaIndex, offsets, to_timedelta
  import pandas._testing
label_desc: Use image node_id 15 for calling a global function with example usage: test_td_constructor_on_nanoseconds(constructed_td, conversion) without return types