code: def test_astype_int(self, any_int_numpy_dtype):
      arr = TimedeltaArray._from_sequence(
          [Timedelta("1h"), Timedelta("2h")], dtype="m8[ns]"
      )
  
      if np.dtype(any_int_numpy_dtype) != np.int64:
          with pytest.raises(
              TypeError, match=r"Do obj.astype\('int64'\)"
          ):
              arr.astype(any_int_numpy_dtype)
          return
  
      result = arr.astype(any_int_numpy_dtype)
      expected = arr._ndarray.view("i8")
      tm.assert_numpy_array_equal(result, expected)
  
imports: from datetime import timedelta
  import numpy
  import pytest
  import pandas
  from pandas import Timedelta
  import pandas._testing
  from pandas.core.arrays import DatetimeArray, TimedeltaArray
label_desc: Use image node_id 1 for calling the TestTimedeltaArray obj's underlying member method code with example usage: obj.test_astype_int(any_int_numpy_dtype) without return types